Fix a bug with starting call from contacts

Signed-off-by: Mario Danic <mario@lovelyhq.com>

app/src/main/java/com/nextcloud/talk/controllers/ContactsController.java

@@ -640,6 +640,7 @@ public class ContactsController extends BaseController implements SearchView.OnQ
                                     bundle.putString(BundleKeys.KEY_ROOM_TOKEN, roomOverall.getOcs().getData().getToken());
                                     bundle.putParcelable(BundleKeys.KEY_USER_ENTITY, Parcels.wrap(userEntity));
                                     callIntent.putExtras(bundle);
+                                    startActivity(callIntent);
                                 }
                             }