Push-Notification Option for recreate token if test failed

[wrenix]

Here a dedicated issue of this slice different Problem:
#3570 (comment)

Steps to reproduce

1. Login to EXA
2. See in microg if EXA was correct registerd to FCM
3. test push works in EXA
4. Delete registration in microg
5. Run test in EXA again

Outcome

What did you expect?

Token validation success, but loop test failed.

What happened instead?

Here are two Option to fix it:

• Option to reset the token to trigger new FCM registration
• Reset FCM-Token after change Norification Provider (e.g. to ntfy)

Your phone model

No response

Operating system version

No response

Application version and app store

No response

Homeserver

No response

Will you send logs?

No

Are you willing to provide a PR?

No

[wrenix]

Here a Screenshot of current broken state