Fix: emails forwarded even if alias is disabled

[J4NS-R]

This PR propagates an upstream (anonaddy/anonaddy) bugfix to this repo.

• Upstream issue: Self-Hosted - Email are still forwarded even when Inactive/deactivated anonaddy#72
• Issue on this repo: Emails still forwarded when alias deactivated #121

[crazy-max]

Looks like there is an issue with a dep not linked to your changes: https://github.com/anonaddy/docker/runs/6039700411?check_suite_focus=true#step:7:1935

#31 19.13 Package manifest generated successfully.
#31 19.15 > @php artisan version:absorb --ansi
#31 19.56 
#31 19.57 In Git.php line 46:
#31 19.57                                                                                
#31 19.57   Unable to find git tags in this repository that matches the git.version.mat  
#31 19.57   cher pattern in version.yml                                                  
#31 19.57                                                                                
#31 19.57 
#31 19.59 Script @php artisan version:absorb --ansi handling the post-autoload-dump event returned with error code 1

Are you aware of this issue @willbrowningme?

[willbrowningme]

@crazy-max no I'm not aware of that issue, please could you try with the latest release v0.11.2.

[crazy-max]

@crazy-max no I'm not aware of that issue, please could you try with the latest release v0.11.2.

@willbrowningme Fixed by #124.

@Koellewe Can you rebase with latest changes please?

[J4NS-R]

@crazy-max done.

[crazy-max]

LGTM thanks