Only pause if playing

The API is a bit misleading (and PlayPause is not implemented)

dotfiles/config/bmo/hook.ini

     say_zleeping = weechat-fifo -s \*/disconnect -all offline
 
     afk          = pidof mocp       && mocp --pause
-    afk          = pidof clementine && qdbus org.mpris.clementine /Player org.freedesktop.MediaPlayer.Pause
+    afk          = pidof clementine && qdbus org.mpris.clementine /org/mpris/MediaPlayer2 org.mpris.MediaPlayer2.Player.PlaybackStatus | grep -qxF Playing && qdbus org.mpris.clementine /Player org.freedesktop.MediaPlayer.Pause
 
     back         = bmo nag -R