fix: Fixes leaking/errors caused by categorization (#1404)

### Summary
- [X] Fixes 4 TormentedMinotaur created at `(0, 0, 0) [null]` when `[add` is used.
- [X] Fixes client crash from a bug in HouseRaffleStone when `[add` is used.

Recommend viewing with [_whitespace disabled_](https://github.com/modernuo/ModernUO/pull/1404/files?diff=split&w=1)

Projects/UOContent/Migrations/Server.Mobiles.Meraktus.v1.json

@@ -0,0 +1,15 @@
+{
+  "version": 1,
+  "type": "Server.Mobiles.Meraktus",
+  "properties": [
+    {
+      "name": "Followers",
+      "type": "Server.Mobile[]",
+      "rule": "ArrayMigrationRule",
+      "ruleArguments": [
+        "Server.Mobile",
+        "SerializableInterfaceMigrationRule"
+      ]
+    }
+  ]
+}