* feat(base/ui): native ui updates

Replace atlaskit Spinner with the new component
Remove @atlaskit/spinner

Implement redesign

feat(a11y): use tabs ARIA design pattern when using tabbed UI

Create separate tabs for Audio and Video in the Settings Dialog
Move some settings from the More tab to Audio/ Video tab
Implement redesign
Convert some files to TS
Move some styles from SCSS to JSS
Enable device selection on welcome page

feat(a11y): fix-focus-styles

Create Shortcuts tab in Settings Dialog
Move keyboard shortcut option from More to this tab
Move shortcuts info from KeyboardShortcuts dialog to this tab
Remove KeyboardShortcuts dialog

feat(a11y): make (most) UI elements reachable via keyboard

* feat(notifications): native notifications UI updates

Fixes wrong focus on desktop picker dialog

* ref(settings-dialog) Update to use new Dialog component

Created new DialogWithTabs component
Refactored Dialog into Dialog and BaseDialog
Updated dialog functionality on mobile

Convert some files to TS
Implement redesign
Add Virtual background and Flip video to picker menu

Convert some files to TS
Remove unnecessary files
Implement redesign
Add noise suppression to picker menu
Fix Popover placement on browser resize

Convert files to TS
Move styles from SCSS to JSS
Implement redesign

* feat(base/ui/native): button fixes and ui updates

* Update react-native-paper to latest

 - use new `Button` component for drop down buttons

Use JitsiPortal on mobile

Remove unnecessary @ts-ignores
Remove unnecessary eslint-disable

* feat(base/modal): order props alphabetically

* feat(base/ui): added ripple color for tertiary button

* feat(prejoin): removed autoFocus from input and adjusted content

* feat(conference): adjusted RaisedHandCountLabel and added extra code spaces

* feat(prejoin): fixed content to fit tablets

* feat(conference): moved header button styles to navigation styles

* feat(mobile/navigation): updated header navigation button styles

* feat(prejoin): updated elements width, removed left inset

Remove focus outline for the close icon
Increase max height

Since we unmount the dialog after a timeout because of an animation we
need to cancel the timeout in case we need to render new dialog.
Otherwise the actual hiding can be executed after we render the new
dialog.

Needed for shared video dialog.

* tss-react doesn't need a type anotation for the Theme

* Update tss-react to 4.4.4

Don't focus on the close button if there's another focusable element

feat(base/ui/native): replaced react native TextInput component with our native Input component

Remove unused icons
Remove fill none from icons
Rename some icons

Remove global variables from files
Change type to interface

Co-authored-by: Calinteodor <calin.chitu@8x8.com>
Co-authored-by: Robert Pintilii <robert.pin9@gmail.com>

* feat(base/ui/native): removed unused files and updated imports

If onSubmit opens a new dialog, we'd be hiding it otherwise.

Use theme background on autofill Firefox

Improve accessibility by not allowing the user to navigate outside the dialog