Refactor: replace qAsConst with std::as_const across TetraIF; reduce compiler deprecation warnings

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

TetraIF/PrtCnv/TetraTestServer/worker.cpp

@@ -327,7 +327,7 @@ void TTWorker::sendTaktischerStatus(uint32_t eqId, uint32_t issi, TrainingAreaBa
   tele.tasVulnerabilityKindId = 459008;
   tele.vulnerabilityBits = 0;
 
-  for (Player *p : qAsConst(m_playerList))
+  for (Player *p : std::as_const(m_playerList))
   {
     if (p->eqId == eqId)
     {