Core/PacketIO: Updated SMSG_UPDATE_OBJECT for 11.0.5

Port From (https://github.com/TrinityCore/TrinityCore/commit/68db469ee1f992bcdc81de64d6af1007d303be05)

Source/Framework/Constants/CreatureConst.cs

@@ -209,6 +209,8 @@ namespace Framework.Constants
         VaultKeeper = 0x20000000,     // Void Storage
         WildBattlePet = 0x40000000,     // Pet That Player Can Fight (Battle Pet)
         BlackMarket = 0x80000000,     // Black Market
+
+        VendorMask = Vendor | VendorAmmo | VendorFood | VendorPoison | VendorReagent
     }
 
     public enum NPCFlags2
@@ -728,4 +730,14 @@ namespace Framework.Constants
         None = 0,
         Empty = 1
     }
+
+    public enum VendorDataTypeFlags
+    {
+        Generic = 0x01,
+        Ammo = 0x02,
+        Food = 0x04,
+        Poison = 0x08,
+        Reagent = 0x10,
+        Petition = 0x20,
+    }
 }

Source/Framework/Constants/ObjectConst.cs

@@ -39,7 +39,7 @@ namespace Framework.Constants
         SceneObject = 0x1000,
         Conversation = 0x2000,
 
-        Seer = Player | Unit | DynamicObject,
+        Seer = Unit | Player | DynamicObject,
         WorldObject = Unit | GameObject | DynamicObject | Corpse | AreaTrigger | SceneObject | Conversation
     }