message: Restore composer focus after event edit
diff: @@ -207,7 +207,10 @@ class EditMessageComposer extends React.Component<IEditMessageComposerProps, ISt
  event: null,
  timelineRenderingType: this.context.timelineRenderingType,
  });
  - dis.fire(Action.FocusSendMessageComposer);
  + dis.dispatch({
  + action: Action.FocusSendMessageComposer,
  + context: this.context.timelineRenderingType,
  + });
  }
  event.preventDefault();
  break;
  @@ -237,7 +240,10 @@ class EditMessageComposer extends React.Component<IEditMessageComposerProps, ISt
  event: null,
  timelineRenderingType: this.context.timelineRenderingType,
  });
  - dis.fire(Action.FocusSendMessageComposer);
  + dis.dispatch({
  + action: Action.FocusSendMessageComposer,
  + context: this.context.timelineRenderingType,
  + });
  };
  private get shouldSaveStoredEditorState(): boolean {
  @@ -431,7 +437,10 @@ class EditMessageComposer extends React.Component<IEditMessageComposerProps, ISt
  event: null,
  timelineRenderingType: this.context.timelineRenderingType,
  });
  - dis.fire(Action.FocusSendMessageComposer);
  + dis.dispatch({
  + action: Action.FocusSendMessageComposer,
  + context: this.context.timelineRenderingType,
  + });
  };
  private cancelPreviousPendingEdit(): void {
  