Core: Remove Player.h dependency from all the possible headers

src/server/game/Handlers/MiscHandler.cpp

@@ -888,7 +888,7 @@ void WorldSession::HandleAreaTriggerOpcode(WorldPacket& recvData)
     }
 
     if (player->isDebugAreaTriggers)
-        ChatHandler(player).PSendSysMessage(LANG_DEBUG_AREATRIGGER_REACHED, triggerId);
+        ChatHandler(player->GetSession()).PSendSysMessage(LANG_DEBUG_AREATRIGGER_REACHED, triggerId);
 
     if (sScriptMgr->OnAreaTrigger(player, atEntry))
         return;