That check should help with situations when
the dri2_wl_visual_idx_from_pipe_format function
can't recognize pipe_format as before.
Closes: https://gitlab.freedesktop.org/mesa/mesa/-/issues/10829
Fixes: 6a084e2b("egl/wayland: Use pipe_format to look up configs")
Signed-off-by: Mykhailo Skorokhodov <mykhailo.skorokhodov@globallogic.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/29052>
(cherry picked from commit 066fc39f45)