Fix joining a suggested room switching space away (matrix-org#11347)

Author: t3chguy

src/stores/spaces/SpaceStore.ts

@@ -929,6 +929,8 @@ export class SpaceStoreClass extends AsyncStoreWithClient<IState> {
  this._suggestedRooms = this._suggestedRooms.filter((r) => r.room_id !== room.roomId);
  if (numSuggestedRooms !== this._suggestedRooms.length) {
  this.emit(UPDATE_SUGGESTED_ROOMS, this._suggestedRooms);
+ // If the suggested room was present in the list then we know we don't need to switch space
+ return;
  }
 
  // if the room currently being viewed was just joined then switch to its related space