What?

This PR applies a busy status to the Publish button when the publication process is in progress.

Why?

If the button text is in progress, I think it should indicate busy status.

Screenshots or screencast

Before

After

---

When the status is as follows, the status of the button remains the same as before.

Updating draft post

Swithing to draft post

Updating published post

Size Change: +5 B (0%)

Total Size: 1.33 MB

Filename	Size	Change
build/editor/index.min.js	45.7 kB	+1 B (0%)
build/editor/style-rtl.css	3.54 kB	+2 B (0%)
build/editor/style.css	3.53 kB	+2 B (0%)

ℹ️ View Unchanged

Filename	Size
build/a11y/index.min.js	993 B
build/annotations/index.min.js	2.78 kB
build/api-fetch/index.min.js	2.27 kB
build/autop/index.min.js	2.15 kB
build/blob/index.min.js	483 B
build/block-directory/index.min.js	7.2 kB
build/block-directory/style-rtl.css	1.04 kB
build/block-directory/style.css	1.04 kB
build/block-editor/content-rtl.css	4.11 kB
build/block-editor/content.css	4.1 kB
build/block-editor/default-editor-styles-rtl.css	403 B
build/block-editor/default-editor-styles.css	403 B
build/block-editor/index.min.js	195 kB
build/block-editor/style-rtl.css	14.4 kB
build/block-editor/style.css	14.4 kB
build/block-library/blocks/archives/editor-rtl.css	61 B
build/block-library/blocks/archives/editor.css	60 B
build/block-library/blocks/archives/style-rtl.css	90 B
build/block-library/blocks/archives/style.css	90 B
build/block-library/blocks/audio/editor-rtl.css	150 B
build/block-library/blocks/audio/editor.css	150 B
build/block-library/blocks/audio/style-rtl.css	122 B
build/block-library/blocks/audio/style.css	122 B
build/block-library/blocks/audio/theme-rtl.css	138 B
build/block-library/blocks/audio/theme.css	138 B
build/block-library/blocks/avatar/editor-rtl.css	116 B
build/block-library/blocks/avatar/editor.css	116 B
build/block-library/blocks/avatar/style-rtl.css	91 B
build/block-library/blocks/avatar/style.css	91 B
build/block-library/blocks/block/editor-rtl.css	305 B
build/block-library/blocks/block/editor.css	305 B
build/block-library/blocks/button/editor-rtl.css	587 B
build/block-library/blocks/button/editor.css	587 B
build/block-library/blocks/button/style-rtl.css	628 B
build/block-library/blocks/button/style.css	627 B
build/block-library/blocks/buttons/editor-rtl.css	337 B
build/block-library/blocks/buttons/editor.css	337 B
build/block-library/blocks/buttons/style-rtl.css	332 B
build/block-library/blocks/buttons/style.css	332 B
build/block-library/blocks/calendar/style-rtl.css	239 B
build/block-library/blocks/calendar/style.css	239 B
build/block-library/blocks/categories/editor-rtl.css	84 B
build/block-library/blocks/categories/editor.css	83 B
build/block-library/blocks/categories/style-rtl.css	100 B
build/block-library/blocks/categories/style.css	100 B
build/block-library/blocks/code/editor-rtl.css	53 B
build/block-library/blocks/code/editor.css	53 B
build/block-library/blocks/code/style-rtl.css	121 B
build/block-library/blocks/code/style.css	121 B
build/block-library/blocks/code/theme-rtl.css	124 B
build/block-library/blocks/code/theme.css	124 B
build/block-library/blocks/columns/editor-rtl.css	108 B
build/block-library/blocks/columns/editor.css	108 B
build/block-library/blocks/columns/style-rtl.css	406 B
build/block-library/blocks/columns/style.css	406 B
build/block-library/blocks/comment-author-avatar/editor-rtl.css	125 B
build/block-library/blocks/comment-author-avatar/editor.css	125 B
build/block-library/blocks/comment-content/style-rtl.css	92 B
build/block-library/blocks/comment-content/style.css	92 B
build/block-library/blocks/comment-template/style-rtl.css	199 B
build/block-library/blocks/comment-template/style.css	198 B
build/block-library/blocks/comments-pagination-numbers/editor-rtl.css	123 B
build/block-library/blocks/comments-pagination-numbers/editor.css	121 B
build/block-library/blocks/comments-pagination/editor-rtl.css	222 B
build/block-library/blocks/comments-pagination/editor.css	209 B
build/block-library/blocks/comments-pagination/style-rtl.css	235 B
build/block-library/blocks/comments-pagination/style.css	231 B
build/block-library/blocks/comments-title/editor-rtl.css	75 B
build/block-library/blocks/comments-title/editor.css	75 B
build/block-library/blocks/comments/editor-rtl.css	840 B
build/block-library/blocks/comments/editor.css	839 B
build/block-library/blocks/comments/style-rtl.css	637 B
build/block-library/blocks/comments/style.css	636 B
build/block-library/blocks/cover/editor-rtl.css	612 B
build/block-library/blocks/cover/editor.css	613 B
build/block-library/blocks/cover/style-rtl.css	1.57 kB
build/block-library/blocks/cover/style.css	1.56 kB
build/block-library/blocks/embed/editor-rtl.css	293 B
build/block-library/blocks/embed/editor.css	293 B
build/block-library/blocks/embed/style-rtl.css	410 B
build/block-library/blocks/embed/style.css	410 B
build/block-library/blocks/embed/theme-rtl.css	138 B
build/block-library/blocks/embed/theme.css	138 B
build/block-library/blocks/file/editor-rtl.css	300 B
build/block-library/blocks/file/editor.css	300 B
build/block-library/blocks/file/style-rtl.css	265 B
build/block-library/blocks/file/style.css	265 B
build/block-library/blocks/file/view.min.js	353 B
build/block-library/blocks/freeform/editor-rtl.css	2.44 kB
build/block-library/blocks/freeform/editor.css	2.44 kB
build/block-library/blocks/gallery/editor-rtl.css	984 B
build/block-library/blocks/gallery/editor.css	988 B
build/block-library/blocks/gallery/style-rtl.css	1.55 kB
build/block-library/blocks/gallery/style.css	1.55 kB
build/block-library/blocks/gallery/theme-rtl.css	122 B
build/block-library/blocks/gallery/theme.css	122 B
build/block-library/blocks/group/editor-rtl.css	654 B
build/block-library/blocks/group/editor.css	654 B
build/block-library/blocks/group/style-rtl.css	57 B
build/block-library/blocks/group/style.css	57 B
build/block-library/blocks/group/theme-rtl.css	78 B
build/block-library/blocks/group/theme.css	78 B
build/block-library/blocks/heading/style-rtl.css	76 B
build/block-library/blocks/heading/style.css	76 B
build/block-library/blocks/html/editor-rtl.css	332 B
build/block-library/blocks/html/editor.css	333 B
build/block-library/blocks/image/editor-rtl.css	830 B
build/block-library/blocks/image/editor.css	829 B
build/block-library/blocks/image/style-rtl.css	652 B
build/block-library/blocks/image/style.css	652 B
build/block-library/blocks/image/theme-rtl.css	137 B
build/block-library/blocks/image/theme.css	137 B
build/block-library/blocks/latest-comments/style-rtl.css	357 B
build/block-library/blocks/latest-comments/style.css	357 B
build/block-library/blocks/latest-posts/editor-rtl.css	213 B
build/block-library/blocks/latest-posts/editor.css	212 B
build/block-library/blocks/latest-posts/style-rtl.css	478 B
build/block-library/blocks/latest-posts/style.css	478 B
build/block-library/blocks/list/style-rtl.css	88 B
build/block-library/blocks/list/style.css	88 B
build/block-library/blocks/media-text/editor-rtl.css	266 B
build/block-library/blocks/media-text/editor.css	263 B
build/block-library/blocks/media-text/style-rtl.css	507 B
build/block-library/blocks/media-text/style.css	505 B
build/block-library/blocks/more/editor-rtl.css	431 B
build/block-library/blocks/more/editor.css	431 B
build/block-library/blocks/navigation-link/editor-rtl.css	716 B
build/block-library/blocks/navigation-link/editor.css	715 B
build/block-library/blocks/navigation-link/style-rtl.css	115 B
build/block-library/blocks/navigation-link/style.css	115 B
build/block-library/blocks/navigation-submenu/editor-rtl.css	299 B
build/block-library/blocks/navigation-submenu/editor.css	299 B
build/block-library/blocks/navigation/editor-rtl.css	2.13 kB