tdf#134285 select the item before dragging it

so we don't get the previously selected item

Change-Id: Ifd6e46d97f1de0de86403b9c237ee8d2cd3a6cd3
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/97187
Tested-by: Caolán McNamara <caolanm@redhat.com>
Reviewed-by: Caolán McNamara <caolanm@redhat.com>
diff --git a/svx/source/gallery2/galctrl.cxx b/svx/source/gallery2/galctrl.cxx
index 6604eee..47ef1757 100644
--- a/svx/source/gallery2/galctrl.cxx
+++ b/svx/source/gallery2/galctrl.cxx
@@ -400,6 +400,7 @@ bool GalleryIconView::KeyInput(const KeyEvent& rKEvt)

bool GalleryIconView::StartDrag()
{
    Select();
    return mpParent->StartDrag();
}