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

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

* Replace btn-save with btn-success
* Add id to each section so it can be directly linked

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

Closes #23460

To make design consistent with project settings

Next admin area application settings are afected by this commit:

* Visibility and access control
* Account and limit settings
* Sign in
* Sign up
* Help page
* Pages

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

Explored Policy framework to create something I can use as a starting point.

Closes #44571

For each event with `Event#target_type` of "Note",
we had a query to load the associated instance `noteable`.

For example, if `Note` was related to an issue, we'd load each `Issue`
with its own query (N+1 problem).

Closes #43150.

Also disables occurrences highlights & the line highlight for the review
mode.

Closes #44307

- Change find_cluster_platform_kubernetes to ignore environment argument
- Fix broken specs

CE Port of: https://gitlab.com/gitlab-org/gitlab-ee/merge_requests/5047/

When the database is in a read-only state, display a banner on each
page informing the user they cannot write to that GitLab instance.

Closes gitlab-org/gitlab-ce#43937.

Closes #28857

Tracks the number of failed attempts made by a user trying to authenticate with any external authentication method

Before we were using a "plumbing" Gitlab::Git method that does not go
through Gitaly migration checking.