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/TimedSkillMod.cs

@@ -0,0 +1,40 @@
+/*************************************************************************
+ * ModernUO                                                              *
+ * Copyright 2019-2022 - ModernUO Development Team                       *
+ * Email: hi@modernuo.com                                                *
+ * File: TimedSkillMod.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 TimedSkillMod : SkillMod
+{
+    [SerializableField(0, setter: "private")]
+    private DateTime _expire;
+
+    public TimedSkillMod(Mobile owner) : base(owner)
+    {
+    }
+
+    public TimedSkillMod(SkillName skill, bool relative, double value, TimeSpan delay)
+        : this(skill, relative, value, Core.Now + delay)
+    {
+    }
+
+    public TimedSkillMod(SkillName skill, bool relative, double value, DateTime expire)
+        : base(skill, relative, value) => _expire = expire;
+
+    public override bool CheckCondition() => Core.Now < _expire;
+}