7149085: [macosx] Quit with QuitStrategy CLOSE_ALL_WINDOWS does terminate application

Summary: Don't force the termination of the event loop in the Quit action handler
Reviewed-by: art

src/macosx/classes/com/apple/eawt/_AppEventHandler.java

@@ -157,7 +157,10 @@ class _AppEventHandler {
                 }
             });
         } finally {
-            nativeReplyToAppShouldTerminate(true);
+            // Either we've just called System.exit(), or the app will call
+            // it when processing a WINDOW_CLOSING event. Either way, we reply
+            // to Cocoa that we don't want to exit the event loop yet.
+            nativeReplyToAppShouldTerminate(false);
         }
     }