POLYGON_BOOLEAN_ROUTINE: Copy filled attribute from the source

pcbnew/tools/item_modification_routine.cpp

@@ -493,6 +493,7 @@ void POLYGON_BOOLEAN_ROUTINE::ProcessShape( PCB_SHAPE& aPcbShape )
     {
         m_width = aPcbShape.GetWidth();
         m_layer = aPcbShape.GetLayer();
+        m_filled = aPcbShape.IsFilled();
         m_workingPolygons = std::move( *poly );
         m_firstPolygon = false;
 
@@ -541,6 +542,7 @@ void POLYGON_BOOLEAN_ROUTINE::Finalize()
         // Copy properties from the source polygon
         new_poly_shape->SetWidth( m_width );
         new_poly_shape->SetLayer( m_layer );
+        new_poly_shape->SetFilled( m_filled );
 
         handler.AddNewItem( std::move( new_poly_shape ) );
     }

pcbnew/tools/item_modification_routine.h

@@ -360,6 +360,7 @@ private:
     bool         m_firstPolygon = true;
     int          m_width = 0;
     PCB_LAYER_ID m_layer = PCB_LAYER_ID::UNDEFINED_LAYER;
+    bool         m_filled = false;
 };
 
 class POLYGON_MERGE_ROUTINE : public POLYGON_BOOLEAN_ROUTINE