Fixes #5541 - disallow taxonomy assignment

If a filter resource does not support taxonomy assignment, we don't
allow to assign them to filter.
Fixes #6468 - Allow filtering/searching by active user
fixes #7434 - Setting descriptions are shown without wrapping
i18n - add it, ko, ru, zh_TW languages
fixes #7409 - API v2 - add host attribute to GET response for auth source ldap
Fixes #7164: Cannot create a domain that starts or ends with '.'