fdo#53456: initialize pivot tables *after* the formula cells.

Or else all the formula cells within pivot table's source ranges would
be treated as if they are empty.

Change-Id: Ib04f4902863b091c483711eeaf31a282f6feaf67

sc/source/filter/oox/workbookhelper.cxx

@@ -590,7 +590,14 @@ void WorkbookGlobals::finalize()
         aPropSet.setProperty( PROP_IsExecuteLinkEnabled, true );
         // #i79826# enable updating automatic row height after loading the document
         aPropSet.setProperty( PROP_IsAdjustHeightEnabled, true );
+
         getFormulaBuffer().finalizeImport();
+
+        // Insert all pivot tables. Must be done after loading all sheets and
+        // formulas, because data pilots expect existing source data on
+        // creation.
+        getPivotTables().finalizeImport();
+
         // #i76026# enable Undo after loading the document
         aPropSet.setProperty( PROP_IsUndoEnabled, true );
         // disable editing read-only documents (e.g. from read-only files)
@@ -657,10 +664,6 @@ void WorkbookHelper::finalizeWorkbookImport()
     mrBookGlob.getWorkbookSettings().finalizeImport();
     mrBookGlob.getViewSettings().finalizeImport();
 
-    /*  Insert all pivot tables. Must be done after loading all sheets, because
-        data pilots expect existing source data on creation. */
-    mrBookGlob.getPivotTables().finalizeImport();
-
     /*  Insert scenarios after all sheet processing is done, because new hidden
         sheets are created for scenarios which would confuse code that relies
         on certain sheet indexes. Must be done after pivot tables too. */