qt/MLVideoModel: only reset model if added item is a video

modules/gui/qt/medialibrary/mlvideomodel.cpp

@@ -152,6 +152,8 @@ void MLVideoModel::onVlcMlEvent(const MLEvent &event)
     switch (event.i_type)
     {
         case VLC_ML_EVENT_MEDIA_ADDED:
+            m_need_reset = (event.creation.media.i_type == VLC_ML_MEDIA_TYPE_VIDEO);
+            break;
         case VLC_ML_EVENT_MEDIA_DELETED:
             m_need_reset = true;
             break;