Do not filter out grouped images in the filter model of the lighttable thumbbar

BUG: 308948

NEWS

@@ -141,5 +141,8 @@ BUGFIXES FROM KDE BUGZILLA (alias B.K.O | http://bugs.kde.org):
 100 ==> 312848 - digiKam 3.0.0-rc win32 installer.
 101 ==> 307750 - No path to mysqld set in server configuration [patch].
 102 ==> 312892 - digiKam crashed while scanning big collection on external UAB HDD.
-103 ==> 
+103 ==> 308948 - Pictures belonging to a group can't be displayed in the light table window.
+104 ==> 307053 - Images sorted incorrectly.
+105 ==> 
+
 

utilities/lighttable/lighttablethumbbar.cpp

@@ -190,6 +190,7 @@ LightTableThumbBar::LightTableThumbBar(QWidget* parent)
     d->imageFilterModel->setCategorizationMode(ImageSortSettings::NoCategories);
     d->imageFilterModel->setSortRole((ImageSortSettings::SortRole)AlbumSettings::instance()->getImageSortOrder());
     d->imageFilterModel->setSortOrder((ImageSortSettings::SortOrder)AlbumSettings::instance()->getImageSorting());
+    d->imageFilterModel->setAllGroupsOpen(true); // disable filtering out by group, see bug #308948
     d->imageFilterModel->sort(0); // an initial sorting is necessary
 
     d->dragDropHandler = new ImageDragDropHandler(d->imageInfoModel);