fixed component exception and removed client permission temporary

Barotrauma/BarotraumaServer/ServerSource/Lua/LuaClasses.cs

@@ -305,21 +305,25 @@ namespace Barotrauma
 
 			public static WifiComponent GetWifiComponent(Item item)
 			{
+				if (item == null) return null;
 				return item.GetComponent<WifiComponent>();
 			}
 
 			public static LightComponent GetLightComponent(Item item)
 			{
+				if (item == null) return null;
 				return item.GetComponent<LightComponent>();
 			}
 
 			public static CustomInterface GetCustomInterface(Item item)
 			{
+				if (item == null) return null;
 				return item.GetComponent<CustomInterface>();
 			}
 
 			public static Fabricator GetFabricatorComponent(Item item)
 			{
+				if (item == null) return null;
 				return item.GetComponent<Fabricator>();
 			}
 

Barotrauma/BarotraumaServer/ServerSource/Lua/LuaSetup.cs

@@ -207,7 +207,6 @@ namespace Barotrauma
 			UserData.RegisterType<Fabricator>();
 			UserData.RegisterType<Pair<JobPrefab, int>>();
 			UserData.RegisterType<ContentPackage>();
-			UserData.RegisterType<ClientPermissions>();
 			UserData.RegisterType<SubmarineInfo>();
 			UserData.RegisterType<SubmarineBody>();