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>

website/docusaurus.config.js

@@ -310,6 +310,7 @@ const isVersioningDisabled = !!process.env.DISABLE_VERSIONING || isI18nStaging;
     liveCodeBlock: {
       playgroundPosition: 'bottom',
     },
+    sidebarCollapsible: true,
     hideableSidebar: true,
     colorMode: {
       defaultMode: 'light',