fix(mordhau): add config to startparameters (#3421)

lgsm/config-default/config-lgsm/mhserver/_default.cfg

@@ -17,7 +17,7 @@ queryport="27015"
 defaultmap="FFA_ThePit"
 
 ## Server Parameters | https://docs.linuxgsm.com/configuration/start-parameters#additional-parameters
-startparameters="Mordhau ${defaultmap} -log -MultiHome=${ip} -Port=${port} -BeaconPort=${beaconport} -QueryPort=${queryport}"
+startparameters="Mordhau ${defaultmap} -log -MultiHome=${ip} -Port=${port} -BeaconPort=${beaconport} -QueryPort=${queryport} -GameIni=${servercfgfullpath}"
 
 #### LinuxGSM Settings ####