Core/OutdoorPvP: Refactor OutdoorPvP creation to be linked to host map creation instead of having globally accessible objects

Port From (https://github.com/TrinityCore/TrinityCore/commit/775be0682a794d0a1f62d656f8c6c6dffca8de79)

Source/Game/Scripting/CoreScripts.cs

@@ -469,7 +469,7 @@ namespace Game.Scripting
         public override bool IsDatabaseBound() { return true; }
 
         // Should return a fully valid OutdoorPvP object for the type ID.
-        public virtual OutdoorPvP GetOutdoorPvP() { return null; }
+        public virtual OutdoorPvP GetOutdoorPvP(Map map) { return null; }
     }
 
     public class WeatherScript : ScriptObject

Source/Game/Scripting/ScriptManager.cs

@@ -729,9 +729,9 @@ namespace Game.Scripting
         }
 
         // OutdoorPvPScript
-        public OutdoorPvP CreateOutdoorPvP(uint scriptId)
+        public OutdoorPvP CreateOutdoorPvP(uint scriptId, Map map)
         {
-            return RunScriptRet<OutdoorPvPScript, OutdoorPvP>(p => p.GetOutdoorPvP(), scriptId, null);
+            return RunScriptRet<OutdoorPvPScript, OutdoorPvP>(p => p.GetOutdoorPvP(map), scriptId, null);
         }
 
         // WeatherScript