Allow configuration of Carla client name when headless

source/frontend/carla_host.py

@@ -3659,7 +3659,7 @@ def runHostWithoutUI(host):
     # Init engine
 
     audioDriver = setEngineSettings(host, None, oscPort)
-    if not host.engine_init(audioDriver, "Carla"):
+    if not host.engine_init(audioDriver, CARLA_CLIENT_NAME or "Carla"):
         print("Engine failed to initialize, possible reasons:\n%s" % host.get_last_error())
         sys.exit(1)