Resolves#9992.
Creating new users will make sure to avoid creating duplicate users where the only difference is a casing. Error handling did not handle this correctly, resulting in 500. This is fixed by searching for LowerName in the error handling.
Co-authored-by: Raymond Kroon <raymond.kroon@kadaster.nl>
Co-authored-by: Gusted <postmaster@gusted.xyz>
Reviewed-on: https://codeberg.org/forgejo/forgejo/pulls/10072
Reviewed-by: Gusted <gusted@noreply.codeberg.org>
Co-authored-by: RaymondKroon <raymondkroon@noreply.codeberg.org>
Co-committed-by: RaymondKroon <raymondkroon@noreply.codeberg.org>