Check for NPC on ownedby condition (#55)

* Check for NPC on ownedby condition

Added a check to Keen's mysterious NPC Identity list, since NPCs cannot be found with MySession.Static.Players.TryGetPlayerById

* Update CleanupModule.cs

* Update CleanupModule.cs

* Update CleanupModule.cs

* Complying to change req.

https://github.com/TorchAPI/Essentials/pull/55/files/970ab4ee61c9cc6eb2f4b082ff7ff00a5d71fda8

Author: SplenectomY

Essentials/Commands/CleanupModule.cs

@@ -280,8 +280,16 @@ public bool OwnedBy(MyCubeGrid grid, string str)
             {
                 var player = Utilities.GetPlayerByNameOrId(str);
                 if (player == null)
+                {
+                    if(long.TryParse(str, out long NPCId))
+                    {
+                        if(MySession.Static.Players.IdentityIsNpc(NPCId))
+                        {
+                            return grid.BigOwners.Contains(NPCId);
+                        }
+                    }
                     return false;
-
+                }
                 identityId = player.IdentityId;
             }