Fixes the visibility of the copy link button in API documentation headings.
The button now appears on hover, improving the user experience.
(cherry picked from commit 15e3407dab)
Enables copying a direct link to any section by clicking its anchor. Also updates the aria-label to remove the code tag
(cherry picked from commit 4e89bc6244)
This change fixes an issue where long lists of enum values would display on a single line, running off the screen, especially on mobile devices.
PR Close#63211
The PR introduces a few doc content rendering fixes:
- Fix highlighted section heading styles (regression from #59965).
- Convert JSDoc links within 'Usage Notes' sections to HTML and render them.
- Add IDs to doc content headings. This, by itself, makes these headings available in the page ToC.
PR Close#60116
