Fix redact sending over in embedded (widget) mode (#4398)

src/embedded.ts

@@ -291,11 +291,17 @@ export class RoomWidgetClient extends MatrixClient {
  event: MatrixEvent,
  delayOpts?: SendDelayedEventRequestOpts,
  ): Promise<ISendEventResponse | SendDelayedEventResponse> {
+ // We need to extend the content with the redacts parameter
+ // The js sdk uses event.redacts but the widget api uses event.content.redacts
+ // This will be converted back to event.redacts in the widget driver.
+ const content = event.event.redacts
+ ? { ...event.getContent(), redacts: event.event.redacts }
+ : event.getContent();
  if (delayOpts) {
  // TODO: updatePendingEvent for delayed events?
  const response = await this.widgetApi.sendRoomEvent(
  event.getType(),
- event.getContent(),
+ content,
  room.roomId,
  "delay" in delayOpts ? delayOpts.delay : undefined,
  "parent_delay_id" in delayOpts ? delayOpts.parent_delay_id : undefined,
@@ -305,7 +311,7 @@ export class RoomWidgetClient extends MatrixClient {
 
  let response: ISendEventFromWidgetResponseData;
  try {
- response = await this.widgetApi.sendRoomEvent(event.getType(), event.getContent(), room.roomId);
+ response = await this.widgetApi.sendRoomEvent(event.getType(), content, room.roomId);
  } catch (e) {
  this.updatePendingEventStatus(room, event, EventStatus.NOT_SENT);
  throw e;