call GTKApplyWidgetStyle() from PostCreation() instead of GTKHandleRealized()

it's a better place to catch font or color changes made before creation

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@73361 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/gtk/control.cpp

@@ -105,7 +105,6 @@ void wxControl::PostCreation(const wxSize& size)
     gtk_widget_ensure_style(m_widget);
 #endif
 
-    GTKApplyWidgetStyle();
     SetInitialSize(size);
 }