Reset sheet ID of cell-anchored drawing objects when deleting sheet(s).

This prevents drawing objects from disappearing on file reload.

sc/source/core/data/documen9.cxx

@@ -257,7 +257,7 @@ void ScDocument::DrawCopyPage( sal_uInt16 nOldPos, sal_uInt16 nNewPos )
 {
     // angelegt wird die Page schon im ScTable ctor
     pDrawLayer->ScCopyPage( nOldPos, nNewPos, false );
-    pDrawLayer->ResetTab(static_cast<SCTAB>(nNewPos), static_cast<SCTAB>(maTabs.size()));
+    pDrawLayer->ResetTab(static_cast<SCTAB>(nNewPos), static_cast<SCTAB>(maTabs.size()-1));
 }
 
 void ScDocument::DeleteObjectsInArea( SCCOL nCol1, SCROW nRow1, SCCOL nCol2, SCROW nRow2,

sc/source/core/data/table1.cxx

@@ -333,7 +333,10 @@ ScTable::~ScTable()
 
         ScDrawLayer* pDrawLayer = pDocument->GetDrawLayer();
         if (pDrawLayer)
+        {
             pDrawLayer->ScRemovePage( nTab );
+            pDrawLayer->ResetTab(nTab, pDocument->GetTableCount()-1);
+        }
     }
 
     delete[] pColWidth;