Update typography Tokens
Use new Theme interface

Fix elements to use correct tokens

* feat(base): created Button.tsx and IconButton.tsx

* feat(polls/native) style updates

* refactor(premeeting): use jss instead of sass in DialOutDialog

* refactor(prejoin): move remaining prejoin-dialog styles to commonStyless

Skip the welcome page for now, until we can remove the audio / video
toggle.

* add(highlight): mobile initial flow

* fix(hightlight): get meeting fqn on mobile

* fix(dynamic-branding): extract fqn on mobile

* fix(highlights): remove local fqn extraction and grounp dispatches in batch

* fix(dynamic-branding): check if state is defined in extract fqn

Converted LoadConfigOverlay to a JitsiScreen component that right now is part of navigation as ConnectingPage, plus I
separated appNative and other actions into web and native.

Updated screens with new ui on mobile

* feat(security) Security Options screen

* feat(conference) updated native navigation bar and toolbox styles

- apply theming to various buttons

Introduce navigation for all in-conference screens.

- Fixed background color for all participants context menus
- Removed connection status from ReactVideoMenu and added it for local participants
- Removed AVModeration comments on mobile
- Show on stage option visible only when participants pane is closed