message: Chore: Remove Non-null assertion operator in ThreadMessagesView
diff: @@ -220,7 +220,6 @@ class ThreadMessagesView extends React.Component<IThreadMessagesViewProps, IThre
  .query(...whereClause)
  .observeWithColumns(['updated_at']);
  - // TODO: Refactor when migrate messages
  this.messagesSubscription = this.messagesObservable.subscribe(messages => {
  const { currentFilter } = this.state;
  const displayingThreads = this.getFilteredThreads(messages, subscription, currentFilter);
  