Fix RTL text rendering for display names (#4747)

* header display name rtl support

* highlighted post rtl

* move `NON_BREAKING_SPACE` to an external constant

* rtl support in search dropdown

* profile card rtl

* old profile card rtl

* hover card

* wizard list card

* new chat

* account card

* chat header

* clean up notifications

* just force LTR on meta display name

src/screens/Profile/Header/DisplayName.tsx

@@ -20,7 +20,7 @@ export function ProfileHeaderDisplayName({
     <View pointerEvents="none">
       <Text
         testID="profileHeaderDisplayName"
-        style={[t.atoms.text, a.text_4xl, {fontWeight: '500'}]}>
+        style={[t.atoms.text, a.text_4xl, a.self_start, {fontWeight: '500'}]}>
         {sanitizeDisplayName(
           profile.displayName || sanitizeHandle(profile.handle),
           moderation.ui('displayName'),