UserStatusScreen [nfc]: Move useContext upward, with selectors

As Greg suggests:
  #5277 (comment)

Author: chrisbobbe

src/user-statuses/UserStatusScreen.js

@@ -49,14 +49,14 @@ const inputValueFromStatusText = (t: $PropertyType<UserStatus, 'status_text'>):
 export default function UserStatusScreen(props: Props): Node {
   const { navigation } = props;
 
+  const _ = useContext(TranslationContext);
   const auth = useSelector(getAuth);
   const ownUserId = useSelector(getOwnUserId);
   const userStatusText = useSelector(state => getUserStatus(state, ownUserId).status_text);
 
   const [textInputValue, setTextInputValue] = useState<string>(
     inputValueFromStatusText(userStatusText),
   );
-  const _ = useContext(TranslationContext);
 
   const sendToServer = useCallback(
     partialUserStatus => {