feat(v2): redesign mobile UX: inline TOC + doc sidebar in main menu (#4273)

* feat(v2): mobile TOC

* Bug fixes and various improvements

* Redesign

* extract TOCCollapsible component

* TS improvements

* Assign sidebar name directly to the doc route => no need for either permalinkToSidebar or GlobalData

* revert changes to useWindowSize, fix FOUC issues

* extract DocSidebarDesktop component

* remove now useless menu infima classes

* TOCHeadings => rename + remove unused onClick prop

* Extract DocSidebarItem

* minor renaming

* replace GlobalData usage by a React teleport system to render in the navbar mobile sidebar menu directly from the DocPage component

* useWindowSize => simulate SSR size in dev to make FOUC issues more obvious

* fix remaining sidebar layout shift

* update docs snapshots

* remove unused code translations

* remove unused code translations

* fix minor update-code-translations bug

* Add more build-size paths to watch

* Restyle back button

* Add  missing`menu` class

* extract useShallowMemoizedObject

* fix routes tests + better routes formatting

* use Translate api for labels

* use Translate api for labels

* Update translations

* Improve dark mode support for back button

* Merge branch 'master' into lex111/inline-color-code

# Conflicts:
#	packages/core/dist/css/default-dark/default-dark-rtl.min.css
#	packages/core/dist/css/default-dark/default-dark.min.css
#	packages/core/dist/css/default/default-rtl.min.css
#	packages/core/dist/css/default/default.min.css

* replace useCollapse by new useCollapsible

* Cleanup and use clean-btn for TOCCollapsible button

* Make TOC links clickable over full width

* Cleanup

* fix uncollapsible sidebar that can be collapsed + create <Collapsible> component

* dependency array typo

* rollback sidebars community commit typo

Co-authored-by: slorber <lorber.sebastien@gmail.com>

packages/docusaurus-plugin-content-docs/src/props.ts

@@ -77,6 +77,5 @@ export function toVersionMetadataProp(
     banner: loadedVersion.versionBanner,
     isLast: loadedVersion.isLast,
     docsSidebars: toSidebarsProp(loadedVersion),
-    permalinkToSidebar: loadedVersion.permalinkToSidebar,
   };
 }