Extract shell state into separate context (#1824)

* WIP

* Add shell state

* Integrate new shell state for drawer and minimal shell mode

* Replace isDrawerSwipeDisabled

* Split shell state into separate contexts to avoid needless re-renders

* Fix typo

---------

Co-authored-by: Paul Frazee <pfrazee@gmail.com>

src/view/shell/bottom-bar/BottomBar.tsx

@@ -37,7 +37,7 @@ export const BottomBar = observer(function BottomBarImpl({
   const {isAtHome, isAtSearch, isAtFeeds, isAtNotifications, isAtMyProfile} =
     useNavigationTabState()
 
-  const {footerMinimalShellTransform} = useMinimalShellMode()
+  const {minimalShellMode, footerMinimalShellTransform} = useMinimalShellMode()
   const {notifications} = store.me
 
   const onPressTab = React.useCallback(
@@ -83,7 +83,7 @@ export const BottomBar = observer(function BottomBarImpl({
         pal.border,
         {paddingBottom: clamp(safeAreaInsets.bottom, 15, 30)},
         footerMinimalShellTransform,
-        store.shell.minimalShellMode && styles.disabled,
+        minimalShellMode && styles.disabled,
       ]}>
       <Btn
         testID="bottomBarHomeBtn"