Show error page „Invalid Link“ when using expired password reset Link

[helkv]

No error page is displayed if a user uses an expired password reset link. Only when the user tries to reset the new entered PW an error message is displayed.

Steps to reproduce:

1. Use the password reset functionality (Login -> Forgot your password? -> Enter your email -> Reset)
2. After the Link has expired (usually 24h later): Click on the password reset Link in the password-reset-request email
3. The Reset-Password page for setting a new password is shown, but no error page or message is displayed
4. Enter a new password and click Set Password.
5. An error message is displayed "Your Link is invalid or expired."

Expected result:
An error page "Invalid reset password link" is displayed (with no input fields). Similar to the "Invalid registration link" page.