React Native accessibility (#539)

* React Native accessibility

* First round of changes

* Latest update

* Checkpoint

* Wrap up

* Lint

* Remove unhelpful image hints

* Fix navigation

* Fix rebase and lint

* Mitigate an known issue with the password entry in login

* Fix composer dismiss

* Remove focus on input elements for web

* Remove i and npm

* pls work

* Remove stray declaration

* Regenerate yarn.lock

---------

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

src/view/shell/index.web.tsx

@@ -46,7 +46,9 @@ const ShellInner = observer(() => {
       {!isDesktop && store.shell.isDrawerOpen && (
         <TouchableOpacity
           onPress={() => store.shell.closeDrawer()}
-          style={styles.drawerMask}>
+          style={styles.drawerMask}
+          accessibilityLabel="Close navigation footer"
+          accessibilityHint="Closes bottom navigation bar">
           <View style={styles.drawerContainer}>
             <DrawerContent />
           </View>