Battalion 1944: update start parameters (#2467)

Co-authored-by: David Rayner <davidrayner500@gmail.com>

* bt1944: BombGameMode to WartideGameMode fn_parms
* bt1944: ${ip} to ${extip} fn_parms

lgsm/config-default/config-lgsm/bt1944server/_default.cfg

@@ -15,7 +15,7 @@ queryport="7780"
 
 ## Server Start Command | https://docs.linuxgsm.com/configuration/start-parameters#additional-parameters
 fn_parms(){
-parms="/Game/Maps/Final_Maps/Derailed?Game=/Script/ShooterGame.BombGameMode?listen -log -broadcastip=\"${ip}\" -PORT=${port} -QueryPort=${queryport} -defgameini=\"${servercfgfullpath}\""
+parms="/Game/Maps/Final_Maps/Derailed?Game=/Script/ShooterGame.WartideGameMode?listen -log -broadcastip=\"${extip}\" -PORT=${port} -QueryPort=${queryport} -defgameini=\"${servercfgfullpath}\""
 }
 
 #### LinuxGSM Settings ####