PLT-5699 Improvements to channel switcher (#6486)

* Refactor channel switcher to not wait on server results

* Change channel switcher to quick switcher and include team switching

* Add sections, update ordering and add discoverability button

* Fix styling error

* Use CMD in text if on mac

* Clean yarn cache on every install

* Various UX updates per feedback

* Add shortcut help text for team switcher

* Couple more updates per feedback

* Some minor fixes for GM and autocomplete race

* Updating UI for channel switcher (#6504)

* Updating channel switcher button (#6506)

* Updating switcher modal on mobile (#6507)

* Removed jQuery usage

* Rename function to toggleQuickSwitchModal

app/command_shortcuts.go

@@ -46,6 +46,7 @@ func (me *ShortcutsProvider) DoCommand(args *model.CommandArgs, message string)
 		"api.command_shortcuts.nav.unread_prev",
 		"api.command_shortcuts.nav.unread_next",
 		"api.command_shortcuts.nav.switcher",
+		"api.command_shortcuts.nav.switcher_team",
 		"api.command_shortcuts.nav.settings",
 		"api.command_shortcuts.nav.recent_mentions",
 		// Files shortcuts