Fixes dupe exception (#258)

- [X] Cleans up ActivatorUtil
- [X] Fixes dupe exception
- [X] Fixes a bug in BasePotion
- [X] Fixes a few possible memory leaks

Bumps release version

Projects/UOContent/Engines/MLQuests/MLQuestSystem.cs

@@ -69,7 +69,7 @@ namespace Server.Engines.MLQuests
 
                     try
                     {
-                        quest = ActivatorUtil.CreateInstance(type) as MLQuest;
+                        quest = type.CreateInstance<MLQuest>();
                     }
                     catch
                     {

Projects/UOContent/Engines/MLQuests/Objectives/DeliverObjective.cs

@@ -49,17 +49,17 @@ namespace Server.Engines.MLQuests.Objectives
 
             for (var i = 0; i < Amount; ++i)
             {
-                if (!(ActivatorUtil.CreateInstance(Delivery) is Item item))
-                {
-                    continue;
-                }
+                var item = Delivery.CreateEntityInstance<Item>();
 
-                delivery.Add(item);
-
-                if (item.Stackable && Amount > 1)
+                if (item != null)
                 {
-                    item.Amount = Amount;
-                    break;
+                    delivery.Add(item);
+
+                    if (item.Stackable && Amount > 1)
+                    {
+                        item.Amount = Amount;
+                        break;
+                    }
                 }
             }
 

Projects/UOContent/Engines/MLQuests/Rewards/ItemReward.cs

@@ -54,7 +54,7 @@ namespace Server.Engines.MLQuests.Rewards
 
             try
             {
-                spawnedItem = ActivatorUtil.CreateInstance(m_Type) as Item;
+                spawnedItem = m_Type.CreateInstance<Item>();
             }
             catch (Exception e)
             {