The style listbox now takes into account the style background colour if specified.


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/branches/WX_2_8_BRANCH@74178 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
Backported fix to not give focus to the search control buttons


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/branches/WX_2_8_BRANCH@74180 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775