Core/Items: Implement azerite empowered items

Port From (https://github.com/TrinityCore/TrinityCore/commit/d934824421c83598853487c5cc9e4cbb3c5d0006)

Source/Framework/Constants/CliDBConst.cs

@@ -930,6 +930,11 @@ namespace Framework.Constants
         BonusStamina = 2
     }
 
+    public enum AzeriteTierUnlockSetFlags
+    {
+        Default = 0x1
+    }
+
     public enum BattlegroundBracketId                                  // bracketId for level ranges
     {
         First = 0,
@@ -994,7 +999,8 @@ namespace Framework.Constants
 
     public enum Curves
     {
-        ArtifactRelicItemLevelBonus = 1718
+        ArtifactRelicItemLevelBonus = 1718,
+        AzeriteEmpoweredItemRespecCost = 6785
     }
 
     public enum Emote

Source/Framework/Constants/ItemConst.cs

@@ -346,6 +346,7 @@ namespace Framework.Constants
         Bounding = 16,
         RelicType = 17,
         OverrideRequiredLevel = 18,
+        AzeriteTierUnlockSet = 19,
         OverrideCanDisenchant = 21,
         OverrideCanScrap = 22
     }
@@ -819,6 +820,7 @@ namespace Framework.Constants
         Child = 0x00080000,
         Unk15 = 0x00100000, // ?
         NewItem = 0x00200000, // Item glows in inventory
+        AzeriteEmpoweredItemViewed = 0x00400000, // Won't play azerite powers animation when viewing it
         Unk17 = 0x00400000, // ?
         Unk18 = 0x00800000, // ?
         Unk19 = 0x01000000, // ?
@@ -833,7 +835,7 @@ namespace Framework.Constants
 
     public enum ItemFieldFlags2
     {
-        HeartOfAzerothEquipped = 0x1
+        Equipped = 0x1
     }
 
     public enum ItemFlags : long

Source/Framework/Constants/SharedConst.cs

@@ -40,6 +40,7 @@ namespace Framework.Constants
         public const int MaxWorldMapOverlayArea = 4;
         public const int MaxMountCapabilities = 24;
         public const int MaxLockCase = 8;
+        public const int MaxAzeriteEmpoweredTier = 5;
         public const int MaxAzeriteEssenceSlot = 3;
         public const int MaxAzeriteEssenceRank = 4;