Fix imports
Convert some files to TS

Fix imports

Replace tokens with ones that are part of the Design System and are either the same or very similar

* feat(prejoin) created native Prejoin screen

* feat(prejoin) fixed useState callback and updates warnings

* feat(prejoin) created styles file

* feat(prejoin) moved nav from middleware to appNavigate, created native DeviceStatus

* feat(prejoin) updated styles

* feat(prejoin) review remarks pt. 1

* feat(prejoin) removed unused styles

* feat(prejoin) review remarks pt. 2

* feat(prejoin) comment fix

* feat(prejoin) added header title

* feat(prejoin) review remarks

* feat(lobby) updated styles

* feat(prejoin) updated lobby screen header button functionality

* feat(prejoin) review remarks pt 3

* feat(welcome) removed VideoSwitch component

* feat(mobile/navigation) fixed linter

* feat(welcome) moved isWelcomePageEnabled to functions.ts

* feat(mobile/navigation) screen options and order updates

* feat(app) review remark

* feat(welcome) added translation for screen header title and fixed build

* feat(mobile/navigation) added screen title translation and created screen option

* feat(mobile/navigation) fixed screenOptions import

* feat(mobile/navigation) added DialInSummary title translation, fixed animation and close button

* feat(welcome) fixed build

* feat(welcome) removed extra check

* feat(prejoin) review remarks pt 4

* feat(prejoin) added Join in low bandwidth mode btn

* feat(welcome) changed welcome screen header title

* fixup lobby close

Only havee the screen in the hierarchy if we have a welcome page, since
it's the only way to access it.

Use goBack() from the navigator directly and avoid duplicating all props
to the screen.

Updated screens with new ui on mobile

Found via `codespell -q 3 -S ./lang`