v3: try find handle to existing icon

this is the best I can come up with for now, on windows afaict all these icons mostly come from imegares.dll
so the attached patch is not really how windows does it

Fix for bug https://bugs.winehq.org/show_bug.cgi?id=45868Signed-off-by: Louis Lenders <xerox.xerox2000x@gmail.com>