fix(core): Converts some packets & misc fixes/cleanup (#414)

- [X] Adds a stop music packet
- [X] Converts chat packets
- [X] Breaks out chat code a little bit more
- [X] Converts character statue animation packet
- [X] Renames some folders to have spaces
- [X] Organizes and consolidates incoming/outgoing packets for other content
- [X] Fixes virtual checks

Projects/UOContent/SpecialSystems/Engines/GiftGiving.cs

@@ -1,86 +0,0 @@
-using System;
-using System.Collections.Generic;
-using Server.Accounting;
-
-namespace Server.Misc
-{
-    public enum GiftResult
-    {
-        Backpack,
-        BankBox
-    }
-
-    public static class GiftGiving
-    {
-        private static readonly List<GiftGiver> m_Givers = new();
-
-        public static void Register(GiftGiver giver)
-        {
-            m_Givers.Add(giver);
-        }
-
-        public static void Initialize()
-        {
-            EventSink.Login += EventSink_Login;
-        }
-
-        private static void EventSink_Login(Mobile m)
-        {
-            if (!(m.Account is Account acct))
-            {
-                return;
-            }
-
-            var now = DateTime.UtcNow;
-
-            for (var i = 0; i < m_Givers.Count; ++i)
-            {
-                var giver = m_Givers[i];
-
-                if (now < giver.Start || now >= giver.Finish)
-                {
-                    continue; // not in the correct time frame
-                }
-
-                if (acct.Created > giver.Start - giver.MinimumAge)
-                {
-                    continue; // newly created account
-                }
-
-                if (acct.LastLogin >= giver.Start)
-                {
-                    continue; // already got one
-                }
-
-                giver.DelayGiveGift(TimeSpan.FromSeconds(5.0), m);
-            }
-
-            acct.LastLogin = now;
-        }
-    }
-
-    public abstract class GiftGiver
-    {
-        public virtual TimeSpan MinimumAge => TimeSpan.FromDays(30.0);
-
-        public abstract DateTime Start { get; }
-        public abstract DateTime Finish { get; }
-        public abstract void GiveGift(Mobile mob);
-
-        public virtual void DelayGiveGift(TimeSpan delay, Mobile mob)
-        {
-            Timer.DelayCall(delay, GiveGift, mob);
-        }
-
-        public virtual GiftResult GiveGift(Mobile mob, Item item)
-        {
-            if (mob.PlaceInBackpack(item) && !WeightOverloading.IsOverloaded(mob))
-            {
-                return GiftResult.Backpack;
-            }
-
-            mob.BankBox.DropItem(item);
-            return GiftResult.BankBox;
-        }
-    }
-}