[BUG] com.nonononoki.alovoa.entity.User.getDates is null exception

[peterzen]

Describe the bug
When logged in using the admin user, the below exception is thrown:

2023-09-02 11:09:15 ERROR c.n.a.component.ExceptionHandler - java.lang.NullPointerException: Cannot invoke "com.nonononoki.alovoa.entity.user.UserDates.getNotificationDate()" because the return value of "com.nonononoki.alovoa.entity.User.getDates()" is null
	at com.nonononoki.alovoa.service.UserService.hasNewAlert(UserService.java:805)
	at com.nonononoki.alovoa.service.UserService.hasNewAlert(UserService.java:796)
	at com.nonononoki.alovoa.rest.UserController.newAlert(UserController.java:240)
	at jdk.internal.reflect.GeneratedMethodAccessor74.invoke(Unknown Source)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
	at java.base/java.lang.reflect.Method.invoke(Unknown Source)

To Reproduce
Steps to reproduce the behavior:

1. Log in with admin user/key
2. Observer log

Expected behavior
No exception thrown

Desktop (please complete the following information):

• Any device

Smartphone (please complete the following information):

• Device: [e.g. iPhone6]
• OS: [e.g. iOS8.1]
• Browser [e.g. stock browser, safari]
• Version [e.g. 22]

Additional context