fix: Moves ContextMenu out of core, streamlines code, fixes bugs (#1873)

## Summary
- Removes allocation of a `List<ContextMenuEntry>` every time a context menu is created.
- Moves packet/context menu creation logic out of the core
- Fixes tame entry

## BREAKING CHANGE
> [!Important]
> **Developer Note**
> ```cs
> public virtual void GetContextMenuEntries(Mobile from, List<ContextMenuEntry> list)
> ```
> and similar functions changed to
> ```cs
> public virtual void GetContextMenuEntries(Mobile from, ref PooledRefList<ContextMenuEntry> list)
> ```

Projects/UOContent/Engines/Quests/Core/QuestSystem.cs

@@ -1,5 +1,6 @@
 using System;
 using System.Collections.Generic;
+using Server.Collections;
 using Server.ContextMenus;
 using Server.Engines.Quests.Ambitious;
 using Server.Engines.Quests.Collector;
@@ -246,7 +247,7 @@ namespace Server.Engines.Quests
             From.SendGump(new QuestOfferGump(this));
         }
 
-        public virtual void GetContextMenuEntries(List<ContextMenuEntry> list)
+        public virtual void GetContextMenuEntries(ref PooledRefList<ContextMenuEntry> list)
         {
             if (Objectives.Count > 0)
             {