Merge branch '560310-extension-host-domain-application-setting' into 'master'

Web IDE extension host domain application setting

See merge request !208978



Merged-by: John Mason <jmason@gitlab.com>
Approved-by: Serena Fang <sfang@gitlab.com>
Approved-by: Rushik Subba <srushik@gitlab.com>
Approved-by: Shane Maglangit <smaglangit@gitlab.com>
Approved-by: John Mason <jmason@gitlab.com>
Approved-by: Brian Williams <bwilliams@gitlab.com>
Reviewed-by: Eduardo Sanz García <esanz-garcia@gitlab.com>
Reviewed-by: GitLab Duo <gitlab-duo@gitlab.com>
Reviewed-by: Shane Maglangit <smaglangit@gitlab.com>
Co-authored-by: Enrique Alcantara <ealcantara@gitlab.com>