Fix SMSG_ENCOUNTER_START structure for 12.1.0 (#1003)

Author: Golrag

WowPacketParserModule.V10_0_0_46181/Parsers/InstanceHandler.cs

@@ -99,6 +99,10 @@ public static void ReadEncounterStartPlayerInfo(Packet packet, params object[] i
             packet.ReadInt32("Season", idx);
             packet.ReadInt32("Rating", idx);
             packet.ReadInt32("Tier", idx);
+
+            if (ClientVersion.AddedInVersion(ClientVersionBuild.V12_1_0_69214))
+                TraitHandler.ReadTraitConfig(packet, idx, "TraitConfig");
+
             var itemInfoCount = packet.ReadUInt32();
 
             for (var i = 0; i < statCount; i++)
@@ -126,7 +130,8 @@ public static void ReadEncounterStartPlayerInfo(Packet packet, params object[] i
                 ReadItemInfo(packet, idx, "ItemInfo", i);
             }
 
-            TraitHandler.ReadTraitConfig(packet, idx, "TraitConfig");
+            if (ClientVersion.RemovedInVersion(ClientVersionBuild.V12_1_0_69214))
+                TraitHandler.ReadTraitConfig(packet, idx, "TraitConfig");
 
             packet.ResetBitReader();
             var hasBFACharacterInfo = packet.ReadBit("HasBFACharacterInfo", idx);