Fix review details

- spelling mistake
- unwatch watched setting
- lint (indentation)
- use more performant component

src/components/views/voip/IncomingCallBox2.tsx

@@ -15,6 +15,9 @@ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 See the License for the specific language governing permissions and
 limitations under the License.
 */
+
+// TODO: Rename on launch: https://github.com/vector-im/riot-web/issues/14231
+
 import React from 'react';
 import {MatrixClientPeg} from '../../../MatrixClientPeg';
 import dis from '../../../dispatcher/dispatcher';