Fix build and loading crashes

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

Source/Game/Entities/Object/Update/UpdateFields.cs

@@ -2276,7 +2276,7 @@ namespace Game.Entities
         }
     }
 
-    public struct ChrCustomizationChoice
+    public struct ChrCustomizationChoice : IComparable<ChrCustomizationChoice>
     {
         public uint ChrCustomizationOptionID;
         public uint ChrCustomizationChoiceID;
@@ -2298,6 +2298,11 @@ namespace Game.Entities
             data.WriteUInt32(ChrCustomizationOptionID);
             data.WriteUInt32(ChrCustomizationChoiceID);
         }
+
+        public int CompareTo(ChrCustomizationChoice other)
+        {
+            return ChrCustomizationOptionID.CompareTo(other.ChrCustomizationOptionID);
+        }
     }
 
     public class QuestLog : BaseUpdateData<Player>

Source/Game/Entities/Player/Player.DB.cs

@@ -2506,7 +2506,7 @@ namespace Game.Entities
             uint health = result.Read<uint>(fieldIndex++);
 
             uint[] powers = new uint[(int)PowerType.MaxPerClass];
-            for (var i = 0; fieldIndex < powers.Length; ++i)
+            for (var i = 0; i < powers.Length; ++i)
                 powers[i] = result.Read<uint>(fieldIndex++);
 
             uint instance_id = result.Read<uint>(fieldIndex++);