i18n linting for .vue files under the
app/assets/javascripts/vue_shared directory

This reverts merge request !26853

* Add Pipeline IID to MR's
* Add Pipeline IID to commit box
* Add Pipeline IID to builds page
* Add Pipeline IID to job sidebar
* Add Pipeline IID to header on view pipeline pages
* Add changelog entry
* Update tests

Upgrades prettier to 1.15.3
Runs `yarn prettier-save-all` against the codebase
Most changes are due to https://github.com/prettier/prettier/pull/5519

It reuses loading button instead of creating a new loading button
It uses the new gitlab-ui components

The eslint-plugin-vue upgrade had some breaking changes to
vue/attribute-order which needed to be resolved in order to avoid
disabling the rule entirely

The status is shown for
- The author of a commit when viewing a commit
- Notes on a commit (regular/diff)
- The user that triggered a pipeline when viewing a pipeline
- The author of a merge request when viewing a merge request
- The author of notes on a merge request (regular/diff)
- The author of an issue when viewing an issue
- The author of notes on an issue
- The author of a snippet when viewing a snippet
- The author of notes on a snippet
- A user's profile page
- The list of members of a group/user

Signed-off-by: NRémy Coutable <remy@rymai.me>

Fix https://gitlab.com/gitlab-org/gitlab-ce/issues/33223