coregrilo: Do not query tracker if xdg music dir is not set

GrlTrackerWrapper
4 jobs for wip/jfelder/xdg-music-dir-not-set in 8 minutes and 42 seconds (queued for 1 second)
Status Job ID Name Coverage
  Check
passed #494544
flake8

00:01:54

 
  Build Flatpak
passed #494545
flatpak

00:06:07

 
  Deploy
passed #494546
review

00:00:40

manual #494547
allowed to fail manual
stop_review