Document `click_` vs. `go_to_` standard for e2e tests

Closes #59645

See merge request gitlab-org/gitlab-ce!26825

Backport: Expose merge request pipeline parameters for MR widget

See merge request gitlab-org/gitlab-ce!26826

Fixed positioning of the diff tree list on mobile

Closes #59739

See merge request gitlab-org/gitlab-ce!26820

Backport splitting approval changes from CE

See merge request gitlab-org/gitlab-ce!26323

Author and committers approvals are split in EE
This commit provides backports for those changes

This reverts commit 886f00bc.

Adds documentation about the utility classes

See merge request gitlab-org/gitlab-ce!26824

Fixed expand full file button showing on images

Closes #59695

See merge request gitlab-org/gitlab-ce!26830

Monitor GraphQL with Prometheus

See merge request gitlab-org/gitlab-ce!26569

Extends graphql's platform tracing class to observe duration
of graphql methods.

In graphql 1.8.11 is added prometheus class but it's not very useful
for us because it uses prometheus_exporter to export results.

CE backport of design-management-upload-client

See merge request gitlab-org/gitlab-ce!26766

Avoid excessive recursive calls with Rugged TreeEntries

Closes #59759

See merge request gitlab-org/gitlab-ce!26813

Merge branch 'ce-10828-follow-up-from-ee-port-externalize-strings-in-projects-controllers' into 'master'

(CE Port) "Follow-up from "(EE port) Externalize strings in projects controllers""

See merge request gitlab-org/gitlab-ce!26832

Closes https://gitlab.com/gitlab-org/gitlab-ce/issues/59739

This is for merge request pipelines

Migrate issuable states to integer patch 1 of 2

Closes #51789

See merge request gitlab-org/gitlab-ce!25107

Don't sanitize project names on project members page

Closes #58751

See merge request gitlab-org/gitlab-ce!25946

Bump Kubectl and Helm in Auto-DevOps.gitlab-ci.yml

See merge request gitlab-org/gitlab-ce!26534

Tweak coverage parsing examples

See merge request gitlab-org/gitlab-ce!26732

Adds `managed` boolean column to Clusters table

Closes #56557

See merge request gitlab-org/gitlab-ce!26675

Adds boolean field 'managed' to clusters table. This new column will be
used to distinguish those clusters that are automatically managed by
gitlab.

Needed for https://gitlab.com/gitlab-org/gitlab-ce/issues/56557

Fix group transfer selection possibilities

Closes #52295

See merge request gitlab-org/gitlab-ce!26123

Document that local tiller is used for Auto DevOps

Closes #58879

See merge request gitlab-org/gitlab-ce!26688

Also note that apps will be released into the Kubernetes namespace for
the environment, and that GitLab < 11.4 used a dedicated Tiller

Fix attempting to drop views in PostgreSQL

See merge request gitlab-org/gitlab-ce!26836

Docs: Fix anchor to deprecated variables doc

See merge request gitlab-org/gitlab-ce!26788

Refactor and restructure environments page

See merge request gitlab-org/gitlab-ce!26400

Refactor and fix pipeline schedules

See merge request gitlab-org/gitlab-ce!26756

Allow streaming io objects into Gitaly

See merge request gitlab-org/gitlab-ce!26738

Fail Jest tests for unhandled Promise rejections

Closes #56053

See merge request gitlab-org/gitlab-ce!26424

Update border radius of form controls and remove space above page titles

See merge request gitlab-org/gitlab-ce!24497

Add jQuery matchers to Jest

Closes #59637

See merge request gitlab-org/gitlab-ce!26722