tdf#130326 speed up XLSX load

cuts time from 35s to 25s for me.

If the model is locked, we should not be broadcasting events.

Change-Id: I4d8ca10c9d2a9862b30f88cc00e65aab1e2fad7d
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/113909
Tested-by: Jenkins
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>
diff --git a/svx/source/svdraw/svdpage.cxx b/svx/source/svdraw/svdpage.cxx
index 02a891f..adcbb8f 100644
--- a/svx/source/svdraw/svdpage.cxx
+++ b/svx/source/svdraw/svdpage.cxx
@@ -365,7 +365,7 @@ void SdrObjList::InsertObject(SdrObject* pObj, size_t nPos)

    // TODO: We need a different broadcast here!
    // Repaint from object number ... (heads-up: GroupObj)
    if(pObj->getSdrPageFromSdrObject())
    if(pObj->getSdrPageFromSdrObject() && !pObj->getSdrModelFromSdrObject().isLocked())
    {
        SdrHint aHint(SdrHintKind::ObjectInserted, *pObj);
        pObj->getSdrModelFromSdrObject().Broadcast(aHint);