Use checkSessionTimerRunning() and remove debug logging

Co-authored-by: chrjohn <[email protected]>

Author: Copilot

quickfixj-core/src/main/java/quickfix/mina/SessionConnector.java

@@ -312,8 +312,7 @@ private String getLogSuffix(SessionID sessionID, IoSession protocolSession) {
 
     protected void startSessionTimer() {
         // Check if a session timer is already running to avoid creating multiple timers
-        if (sessionTimerFuture != null && !sessionTimerFuture.isDone()) {
-            log.debug("SessionTimer already running, not creating a new one");
+        if (checkSessionTimerRunning()) {
             return;
         }
         Runnable timerTask = new SessionTimerTask();