This has the benefit that CE bundles will remove dead code in CE only
builds.

We have a follow-up issue to get rid of this completely:

https://gitlab.com/gitlab-org/gitlab-ce/issues/64173

This is one of many MRs opened in order to improve the overall
internationalisation of the GitLab codebase.

This commit only targets Vanilla JS files.

i18n documentation
https://docs.gitlab.com/ee/development/i18n/externalization.html

This change brings new Scoped labels to Issue board as well.
With the last change, this was missed.

Rajat Jain authored 5 years ago and Jan Provaznik committed 5 years ago

Scoped labels in EE require additional changes in CE code.

Return jQuery element instead of HTML for renderRow for labels select

In order to ensure we have the right endpoint to query for an
issue's possible valid labels, we store that url in the issue
object that gets passed to the frontend.

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>

Partially addresses #47006.