zink: more accurately track supported blits

We don't care if blits need to respect render-conditions if there's no
active one. So let's hit the potentially faster native blit-paths
instead.

Fixes: 5743fa6e709 ("zink: enable conditional rendering if available")
Closes: https://gitlab.freedesktop.org/mesa/mesa/-/issues/3792
Reviewed-By: Mike Blumenkrantz <michael.blumenkrantz@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/7606>
(cherry picked from commit 19906022e22cb37493861b6976c9623618b5b769)
4 files changed