fdo#80569:FILEOPEN:4.4 Regression .docx chart not rendered properly

Change-Id: Ic3304c1bd11fcd372a0859a70a531675effe7af0
Reviewed-on: https://gerrit.libreoffice.org/10322Reviewed-by: Muthu Subramanian K <muthusuba@gmail.com>
Tested-by: Muthu Subramanian K <muthusuba@gmail.com>

oox/source/drawingml/chart/chartspaceconverter.cxx

@@ -88,7 +88,10 @@ void ChartSpaceConverter::convertFromModel( const Reference< XShapes >& rxExtern
 
     // formatting of the chart background
     PropertySet aBackPropSet( getChartDocument()->getPageBackground() );
-    getFormatter().convertFrameFormatting( aBackPropSet, mrModel.mxShapeProp, OBJECTTYPE_CHARTSPACE );
+    if( mrModel.mxShapeProp.is() )
+    {
+        getFormatter().convertFrameFormatting( aBackPropSet, mrModel.mxShapeProp, OBJECTTYPE_CHARTSPACE );
+    }
 
     // convert plot area (container of all chart type groups)
     PlotAreaConverter aPlotAreaConv( *this, mrModel.mxPlotArea.getOrCreate() );

oox/source/drawingml/chart/objectformatter.cxx

@@ -860,6 +860,7 @@ FillFormatter::FillFormatter( ObjectFormatterData& rData, const AutoFormatEntry*
     if( pAutoFormatEntry )
     {
         mxAutoFill.reset( new FillProperties );
+        mxAutoFill->moFillType = XML_noFill;
         if( const Theme* pTheme = mrData.mrFilter.getCurrentTheme() )
             if( const FillProperties* pFillProps = pTheme->getFillStyle( pAutoFormatEntry->mnThemedIdx ) )
                 *mxAutoFill = *pFillProps;