libobs: Fix scene_enum_sources skipping some active sources

If an item's show/hide transition was active the underlying source
would not previously not be enumerated, resulting in reference leaks by
the UI or other components waiting for the source to be deactivated to
release it.

libobs/obs-scene.c

@@ -270,7 +270,7 @@ static void scene_enum_sources(void *data, obs_source_enum_proc_t enum_callback,
 				 transition_active(item->hide_transition))
 				enum_callback(scene->source,
 					      item->hide_transition, param);
-			else if (os_atomic_load_long(&item->active_refs) > 0)
+			if (os_atomic_load_long(&item->active_refs) > 0)
 				enum_callback(scene->source, item->source,
 					      param);
 		} else {