message: Comment room creation insanity
diff: @@ -532,6 +532,11 @@ export default class CallHandler {
  if (newNativeAssertedIdentity) {
  this.assertedIdentityNativeUsers[call.callId] = newNativeAssertedIdentity;
  + // If we don't already have a room with this user, make one. This will be slightly odd
  + // if they called us because we'll be inviting them, but there's not much we can do about
  + // this if we want the actual, native room to exist (which we do). This is why it's
  + // important to only obey asserted identity in trusted environments, since anyone you're
  + // on a call with can cause you to send a room invite to someone.
  await ensureDMExists(MatrixClientPeg.get(), newNativeAssertedIdentity);
  const newMappedRoomId = CallHandler.sharedInstance().roomIdForCall(call);
  