[JBPM-10198] delete correct old timer rescheduling a timer (#2336) (#…

…2384)

Co-authored-by: Alberto Fanjul <albertofanjul@gmail.com>
Co-authored-by: Alberto Fanjul <afanjula@redhat.com>

jbpm-flow/src/main/java/org/jbpm/process/instance/command/UpdateTimerCommand.java

@@ -224,7 +224,7 @@ protected long calculateDelay(long delay, TimerInstance timer) {
 
     protected TimerInstance rescheduleTimer(TimerInstance timer, TimerManager tm) {
         logger.debug("Found timer {} that is going to be canceled", timer);
-        tm.cancelTimer(timer.getProcessInstanceId(), timer.getTimerId());
+        tm.cancelTimer(timer.getProcessInstanceId(), timer.getId());
         logger.debug("Timer {} canceled successfully", timer);
 
         TimerInstance newTimer = new TimerInstance();