feat(Core/Scripting): Implement new hook OnBeforePlayerLogout() (#18163)

* new hook OnPlayerPreLogout

* Changed PreLogout to BeforeLogout per review

* Renamed OnPlayerBeforeLogout to OnBeforePlayerLogout per review

---------

Co-authored-by: NathanHandley <nathanhandley@protonmail.com>

src/server/game/Server/WorldSession.cpp

@@ -579,6 +579,9 @@ void WorldSession::LogoutPlayer(bool save)
 
     if (_player)
     {
+        //! Call script hook before other logout events
+        sScriptMgr->OnBeforePlayerLogout(_player);
+
         if (ObjectGuid lguid = _player->GetLootGUID())
             DoLootRelease(lguid);