C: Style/MultilineOperationIndentation:
Align the operands of an expression in an assignment
spanning multiple lines.

Feedback:

* https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/9219#note_23343951
* https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/9219#note_23344036
* https://gitlab.com/gitlab-org/gitlab-ce/issues/27762#note_23344797

Therefore we prefer
`Gitlab::CurrentSettings.current_application_settings`
and fix the tests by setting default_artifacts_expire_in to 0
to restore the original behaviour.

TODO: Add tests and screenshots

SidekiqStatus need to be qualified in some cases

Closes #27759

See merge request !9235

Fix z index bugs

Closes #28142

See merge request !9236

Fix smaller height of Activity header page

Closes #27631

See merge request !8952

[ci skip]

Fix yarn lock and package.json mismatch caused by MR 9133

See merge request !9239

[ci skip]

[ci skip]

[ci skip]

[ci skip]

Fix timezone on issue boards due date

Closes #27317

See merge request !9150

Add Links to Branches in Calendar Activity

Closes #26287

See merge request !9224

Sync yarn.lock with recent changes to package.json

See merge request !9237

Reintroduce coverage report for JavaScript

Closes #27826 and #20757

See merge request !9133

Replace static fixture for behaviors/requires_input_spec.js

See merge request !9162

Replace NPM with Yarn

See merge request !9055

Enable eslint to resolve webpack modules according to webpack.config.js

See merge request !9218

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

Replace static fixture for right_sidebar_spec.js

See merge request !9211

Document types of pipelines

Closes #22631

See merge request !9008

Resolve "Wiki page delete does not trigger the webhook"

Closes #19302

See merge request !8198

API: consolidate project lists

Closes #23061

See merge request !8962

Update doc for enabling or disabling GitLab CI

Closes #27656

See merge request !8965

Add 'Most Recent Activity' header to User Profile

Closes #26286

See merge request !9189

Use es6-promise package to avoid webpack warnings

See merge request !9215

Adds `.json` to the endpoint requested in order to avoid showing JSON

Closes #27932

See merge request !9105