Core/Instances: Instance lock rewrite (WIP)

Port From (https://github.com/TrinityCore/TrinityCore/commit/17665c929c3a9fb7fe75dd680648129bc1c1f874)

Source/Game/Networking/Packets/CalendarPackets.cs

@@ -852,13 +852,13 @@ namespace Game.Networking.Packets
             data.WriteUInt64(InstanceID);
             data.WriteInt32(MapID);
             data.WriteUInt32(DifficultyID);
-            data.WriteUInt32((uint)ExpireTime);
+            data.WriteInt32(ExpireTime);
         }
 
         public ulong InstanceID;
         public int MapID;
         public uint DifficultyID;
-        public long ExpireTime;
+        public int ExpireTime;
     }
 
     struct CalendarSendCalendarEventInfo

Source/Game/Networking/Packets/InstancePackets.cs

@@ -41,11 +41,11 @@ namespace Game.Networking.Packets
         {
             _worldPacket.WriteInt32(LockList.Count);
 
-            foreach (InstanceLock lockInfos in LockList)
+            foreach (InstanceLockPkt lockInfos in LockList)
                 lockInfos.Write(_worldPacket);
         }
 
-        public List<InstanceLock> LockList = new();
+        public List<InstanceLockPkt> LockList = new();
     }
 
     class ResetInstances : ClientPacket
@@ -270,7 +270,7 @@ namespace Game.Networking.Packets
     }
 
     //Structs
-    public struct InstanceLock
+    public struct InstanceLockPkt
     {
         public void Write(WorldPacket data)
         {