tdf#51188: allow connector gluepoint undo

It should had overwritten the connector data when the
connector attach to a different glue point of the same
object. Let’s always overwrite it, though it waste a
little bit time.

Change-Id: Ib4cc4bf105e5ef17289e027dcddd0110f7297190
Reviewed-on: https://gerrit.libreoffice.org/46559Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Mark Hung <marklh9@gmail.com>

svx/source/svdraw/svdoedge.cxx

@@ -2449,11 +2449,17 @@ void SdrEdgeObj::RestGeoData(const SdrObjGeoData& rGeo)
         aCon1=rEGeo.aCon1;
         if (aCon1.pObj!=nullptr) aCon1.pObj->AddListener(*this);
     }
+    else
+        aCon1=rEGeo.aCon1;
+
     if (aCon2.pObj!=rEGeo.aCon2.pObj) {
         if (aCon2.pObj!=nullptr) aCon2.pObj->RemoveListener(*this);
         aCon2=rEGeo.aCon2;
         if (aCon2.pObj!=nullptr) aCon2.pObj->AddListener(*this);
     }
+    else
+        aCon2=rEGeo.aCon2;
+
     *pEdgeTrack    =*rEGeo.pEdgeTrack;
     bEdgeTrackDirty=rEGeo.bEdgeTrackDirty;
     bEdgeTrackUserDefined=rEGeo.bEdgeTrackUserDefined;