`Login` has 2 username fields, and we were always checking the deprecated one. Instead, check both.
* Implement account deactivation See #610 Signed-off-by: Loïck Bonniot <git@lesterpig.com> * Rename 'is_active' to 'is_deactivated' Signed-off-by: Loïck Bonniot <git@lesterpig.com> Co-authored-by: Kegsay <kegan@matrix.org>