fix: Fixes regions having the wrong type (#1260)

## Possible Breaking Change
* Reverted regions.json back to RunUO until newer regions are implemented and proper expansion checks are added.

### Other Changes
- [X] Adds `Region.IsPartOf<T1, T2>()` to check for multiple types.
- [X] Fixes regions.json being wrong
- [X] Adds lots of missing regions. **They are not implemented properly yet**
- [X] Adds regions.xml -> regions.json (check ModernUO Discord)
- [X] Adds expansion specific regions.

Projects/UOContent/Engines/Quests/Regions/QuestCompleteObjectiveRegion.cs

@@ -0,0 +1,39 @@
+using System;
+using System.Xml;
+using Server;
+using Server.Regions;
+using Server.Mobiles;
+
+namespace Server.Engines.Quests;
+
+public class QuestCompleteObjectiveRegion : BaseRegion
+{
+    public QuestCompleteObjectiveRegion(string name, Map map, Region parent, int priority, params Rectangle3D[] area) : base(name, map, parent, priority, area)
+    {
+    }
+
+    public QuestCompleteObjectiveRegion(string name, Map map, Region parent, params Rectangle3D[] area) : base(name, map, parent, area)
+    {
+    }
+
+    public Type Quest { get; set; }
+    public Type Objective { get; set; }
+
+    public override void OnEnter(Mobile m)
+    {
+        base.OnEnter(m);
+
+        if (Quest != null && Objective != null)
+        {
+            if (m is PlayerMobile player && player?.Quest != null && player.Quest.GetType() == Quest)
+            {
+                QuestObjective obj = player.Quest.FindObjective(Objective);
+
+                if (obj is { Completed: false })
+                {
+                    obj.Complete();
+                }
+            }
+        }
+    }
+}