Core/PacketIO: One more opcode rename

Port From (https://github.com/TrinityCore/TrinityCore/commit/1d04d5859a59caf286d71f78a18ec4ed05feb7c2)

Source/Framework/Constants/Network/Opcodes.cs

@@ -920,13 +920,13 @@ namespace Framework.Constants
         CalendarEventUpdatedAlert = 0x26c5,
         CalendarInviteAdded = 0x26bd,
         CalendarInviteAlert = 0x26c1,
-        CalendarInviteModeratorStatus = 0x26c0,
         CalendarInviteNotes = 0x26c6,
         CalendarInviteNotesAlert = 0x26c7,
         CalendarInviteRemoved = 0x26be,
         CalendarInviteRemovedAlert = 0x26c3,
         CalendarInviteStatus = 0x26bf,
         CalendarInviteStatusAlert = 0x26c2,
+        CalendarModeratorStatus = 0x26c0,
         CalendarRaidLockoutAdded = 0x26c8,
         CalendarRaidLockoutRemoved = 0x26c9,
         CalendarRaidLockoutUpdated = 0x26ca,

Source/Game/Calendar/CalendarManager.cs

@@ -476,7 +476,7 @@ namespace Game
 
         public void SendCalendarEventModeratorStatusAlert(CalendarEvent calendarEvent, CalendarInvite invite)
         {
-            CalendarInviteModeratorStatus packet = new CalendarInviteModeratorStatus();
+            CalendarModeratorStatus packet = new CalendarModeratorStatus();
             packet.ClearPending = true; // FIXME
             packet.EventID = calendarEvent.EventId;
             packet.InviteGuid = invite.InviteeGuid;

Source/Game/Networking/Packets/CalendarPackets.cs

@@ -347,9 +347,9 @@ namespace Game.Networking.Packets
         public bool ClearPending;
     }
 
-    class CalendarInviteModeratorStatus : ServerPacket
+    class CalendarModeratorStatus : ServerPacket
     {
-        public CalendarInviteModeratorStatus() : base(ServerOpcodes.CalendarInviteModeratorStatus) { }
+        public CalendarModeratorStatus() : base(ServerOpcodes.CalendarModeratorStatus) { }
 
         public override void Write()
         {