Core: Updated to 11.1.0

Port From (https://github.com/TrinityCore/TrinityCore/commit/23624ed75abc8cbb77bb2e24a08e0836e4c41db5)

Source/Game/Networking/Packets/MythicPlusPacketsCommon.cs

@@ -13,6 +13,7 @@ namespace Game.Networking.Packets
         public int BestRunLevel;
         public int BestRunDurationMS;
         public bool FinishedSuccess;
+        public byte Unknown1110;
 
         public void Write(WorldPacket data)
         {
@@ -20,6 +21,7 @@ namespace Game.Networking.Packets
             data.WriteFloat(MapScore);
             data.WriteInt32(BestRunLevel);
             data.WriteInt32(BestRunDurationMS);
+            data.WriteUInt8(Unknown1110);
             data.WriteBit(FinishedSuccess);
             data.FlushBits();
         }
@@ -50,7 +52,7 @@ namespace Game.Networking.Packets
         public uint NativeRealmAddress;
         public uint VirtualRealmAddress;
         public int ChrSpecializationID;
-        public short RaceID;
+        public sbyte RaceID;
         public int ItemLevel;
         public int CovenantID;
         public int SoulbindID;
@@ -64,7 +66,7 @@ namespace Game.Networking.Packets
             data.WriteUInt32(NativeRealmAddress);
             data.WriteUInt32(VirtualRealmAddress);
             data.WriteInt32(ChrSpecializationID);
-            data.WriteInt16(RaceID);
+            data.WriteInt8(RaceID);
             data.WriteInt32(ItemLevel);
             data.WriteInt32(CovenantID);
             data.WriteInt32(SoulbindID);