feat: log if shotdown was stard or not (#793)

During troublesheeting an issue the QOSDK was shutting down unexpectedly,
this will give more information if it comes from OS or the app exists.

Signed-off-by: Attila Mészáros <[email protected]>

Author: csviri

core/runtime/src/main/java/io/quarkiverse/operatorsdk/runtime/AppEventListener.java

@@ -36,7 +36,8 @@ public void onStartup(@Observes @Priority(Interceptor.Priority.LIBRARY_AFTER + 1
 
     public void onShutdown(@Observes ShutdownEvent event) {
         if (configurationService.shouldStartOperator()) {
-            log.info("Quarkus Java Operator SDK extension is shutting down.");
+            log.info("Quarkus Java Operator SDK extension is shutting down. Is standard shutdown: {}",
+                    event.isStandardShutdown());
             operator.stop();
         } else {
             log.warn("Operator was configured not to start automatically, call the stop method to stop it.");