fix: when changing email with email based 2FA enabled, fail fast #19831
+151
−50
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Summary
When a user has enabled email based 2FA, and the user tries to change their email address, throw an exception.
The user must be forced to disable their 2FA, before they can change their email address.
If this is not enforced, the consequence will be that the user no longer has a verified email, since the 2FA code only will be sent to a verified email address, the user will not be able to log in.
Automatic tests
Manual test steps: