mesa: fix bindless uniform samplers update
According to the comment below some extra magic is needed for bindless samplers, so don't do an early return in this case. Fixes: 736f1f70 ("mesa: skip redundant uniform updates for glUniform") Closes: #4806 Reviewed-by:Marek Olšák <marek.olsak@amd.com> Reviewed-by:
Timothy Arceri <tarceri@itsqueeze.com> Part-of: <!11930>