* 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

Convert some files to TS
Improve Dialog component

Remove unnecessary ts-ignores
Remove unnecessary eslint-disable
Fix type errors
Change Dispatch type to IStore['dispatch']

* feat(base/ui): fixed native button active style

Convert some files to TS

Convert some files to TS

Improve Dialog component to auto close on cancel or on submit
Change logic to determine whether a dialog is using the new component
Convert some files to TS

Remove @atlaskit/dropdown
Convert some files to TS

Use new TS config from @jitsi/eslint
Fix all lint errors

Remove unnecessary ts-ignores
Change any to actual types
Fix eslint rule

Create IStateful interface
Use IState interface everywhere
Remove unnecessary @ts-ignore

Convert files that use material-ui to TS (needed for material-ui upgrade)

Convert files that use material-ui to TS (needed for material-ui upgrade)

* feat(base/native): Switch thumbColor and trackColor default props