fix: Moves mods and fixes migrations for lights (#1080)

- [X] Removes duplicate property for owner.
- [X] Codegens them all (even though they aren't used, just in case someone wants to).

Projects/Server/Mobiles/Mods/StatMod.cs

@@ -0,0 +1,53 @@
+/*************************************************************************
+ * ModernUO                                                              *
+ * Copyright 2019-2022 - ModernUO Development Team                       *
+ * Email: hi@modernuo.com                                                *
+ * File: StatMod.cs                                                      *
+ *                                                                       *
+ * This program is free software: you can redistribute it and/or modify  *
+ * it under the terms of the GNU General Public License as published by  *
+ * the Free Software Foundation, either version 3 of the License, or     *
+ * (at your option) any later version.                                   *
+ *                                                                       *
+ * You should have received a copy of the GNU General Public License     *
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>. *
+ *************************************************************************/
+
+using System;
+using ModernUO.Serialization;
+
+namespace Server;
+
+[SerializationGenerator(0)]
+public partial class StatMod : MobileMod
+{
+    [SerializableField(0, getter: "private", setter: "private")]
+    private DateTime _added;
+
+    [SerializableField(1, getter: "private", setter: "private")]
+    private TimeSpan _duration;
+
+    [SerializableField(2, setter: "private")]
+    private StatType _type;
+
+    [SerializableField(3, setter: "private")]
+    private string _name;
+
+    [SerializableField(4, setter: "private")]
+    private int _offset;
+
+    public StatMod(Mobile owner) : base(owner)
+    {
+    }
+
+    public StatMod(StatType type, string name, int offset, TimeSpan duration, Mobile owner = null) : base(owner)
+    {
+        _type = type;
+        _name = name;
+        _offset = offset;
+        _duration = duration;
+        _added = Core.Now;
+    }
+
+    public bool HasElapsed() => _duration != TimeSpan.Zero && Core.Now - _added >= _duration;
+}