Core/Items: Changed how azerite item bonuses are applied at login to avoid applying them twice

Port From (https://github.com/TrinityCore/TrinityCore/commit/d02f3ca7cab196eb2b2b14410582aff009b04817)

Source/Game/Entities/StatSystem.cs

@@ -1184,6 +1184,7 @@ namespace Game.Entities
 
             _ApplyAllAuraStatMods();
             _ApplyAllItemMods();
+            ApplyAllAzeriteItemMods(true);
 
             SetCanModifyStats(true);
 
@@ -1193,6 +1194,7 @@ namespace Game.Entities
         {
             SetCanModifyStats(false);
 
+            ApplyAllAzeriteItemMods(false);
             _RemoveAllItemMods();
             _RemoveAllAuraStatMods();