present: get_crtc should not return crtc when its screen does not have present extension

Since crtc can belong to secondary output that may not have present
extension enabled we should fallback to first enabled crtc or fake crtc.

Fix for issue xorg/xserver#1195
3 jobs for fix_1195 in 5 minutes and 32 seconds (queued for 4 seconds)
latest
Status Name Job ID Coverage
  Docker Image
passed debian-testing #11936996

00:00:25

 
  Build And Test
passed autotools-build-and-test #11936997

00:05:07

passed meson-build-and-test #11936998

00:01:15