Core/PacketIO: Rename some new opcodes

Port From (https://github.com/TrinityCore/TrinityCore/commit/1021fcee345b0817ca087c04f8f063eb9d10bfe9)

Source/Game/DungeonFinding/LFGScripts.cs

@@ -85,7 +85,7 @@ namespace Game.DungeonFinding
                     return;
                 }
 
-                QueryPlayerNameResponse response = new();
+                QueryPlayerNamesResponse response = new();
                 foreach (MemberSlot memberSlot in group.GetMemberSlots())
                 {
                     player.GetSession().BuildNameQueryData(memberSlot.guid, out NameCacheLookupResult nameCacheLookupResult);

Source/Game/Handlers/QueryHandler.cs

@@ -30,10 +30,10 @@ namespace Game
 {
     public partial class WorldSession
     {
-        [WorldPacketHandler(ClientOpcodes.QueryPlayerName, Processing = PacketProcessing.Inplace)]
-        void HandleNameQueryRequest(QueryPlayerName queryPlayerName)
+        [WorldPacketHandler(ClientOpcodes.QueryPlayerNames, Processing = PacketProcessing.Inplace)]
+        void HandleQueryPlayerNames(QueryPlayerNames queryPlayerName)
         {
-            QueryPlayerNameResponse response = new();
+            QueryPlayerNamesResponse response = new();
             foreach (ObjectGuid guid in queryPlayerName.Players)
             {
                 BuildNameQueryData(guid, out NameCacheLookupResult nameCacheLookupResult);

Source/Game/Networking/Packets/QueryPackets.cs

@@ -27,9 +27,9 @@ using System.Numerics;
 
 namespace Game.Networking.Packets
 {
-    public class QueryPlayerName : ClientPacket
+    public class QueryPlayerNames : ClientPacket
     {
-        public QueryPlayerName(WorldPacket packet) : base(packet) { }
+        public QueryPlayerNames(WorldPacket packet) : base(packet) { }
 
         public override void Read()
         {
@@ -41,11 +41,11 @@ namespace Game.Networking.Packets
         public ObjectGuid[] Players;
     }
 
-    public class QueryPlayerNameResponse : ServerPacket
+    public class QueryPlayerNamesResponse : ServerPacket
     {
         public List<NameCacheLookupResult> Players = new();
 
-        public QueryPlayerNameResponse() : base(ServerOpcodes.QueryPlayerNameResponse) { }
+        public QueryPlayerNamesResponse() : base(ServerOpcodes.QueryPlayerNamesResponse) { }
 
         public override void Write()
         {