Core/Player: Add debug log when SendCanTakeQuestResponse(INVALIDREASON_*) is used

Intent is to find broken quest chains
Requested by Aokromes

src/server/scripts/Commands/cs_debug.cpp

@@ -505,7 +505,7 @@ public:
 
     static bool HandleDebugSendQuestInvalidMsgCommand(ChatHandler* handler, char const* args)
     {
-        uint32 msg = atol((char*)args);
+        QuestFailedReason msg = static_cast<QuestFailedReason>(atol((char*)args));
         handler->GetSession()->GetPlayer()->SendCanTakeQuestResponse(msg);
         return true;
     }