Avoids plasmashell freezing when the player app is unresponsive or has a broken MPRIS implementation
- Group Reviewers
- R120:9b24060c632e: [MPRIS Data Engine] Avoid blocking calls when changing volume
kill -SIGSTOP pidof vlc`, wheeled the tray icon, plasmashell didn't freeze anymore.
Quickly changing volume still works (hence setting the new value in the dataengine right away)