fix: proper ids for xvfb run to mute/deafen

fix: mute at startup

intercom.py

@@ -97,6 +97,8 @@ def check_status(station):
 
 # Start mumble client
 subprocess.Popen(["xvfb-run", "-n", "1", "mumble", "mumble://" + name + "@miki"])
+# Mute mumble
+callManager.deaf_mumble()
 
 # Start thread to wait for incoming hang petitions.
 thread_listen = Thread(target=listen, args=(callManager,))