Pcbnew, hatched fill shapes: fix 2 issues:

- Ensure the hatched fill polygon is fractured in all cases
- ensure the filled polygon only, not the outline, is drawn

pcbnew/pcb_painter.cpp

@@ -2130,7 +2130,11 @@ void PCB_PAINTER::draw( const PCB_SHAPE* aShape, int aLayer )
     }
 
     if( aShape->IsHatchedFill() )
+    {
+        m_gal->SetIsStroke( false );
+        m_gal->SetIsFill( true );
         m_gal->DrawPolygon( aShape->GetHatching() );
+    }
 }
 
 

pcbnew/pcb_shape.cpp

@@ -359,6 +359,7 @@ void PCB_SHAPE::updateHatching() const
         }
 
         m_hatching.BooleanSubtract( holes );
+        m_hatching.Fracture();
     }
 }