Remove vertical connecting line placeholder from diff discussion notes

Closes #57768

See merge request gitlab-org/gitlab-ce!25292

Move ChatOps migrations to Core

See merge request gitlab-org/gitlab-ce!24986

Resolve "Add reaction emoji styling is off"

See merge request gitlab-org/gitlab-ce!25295

Refactor MR FE components to rely on DiffViewer instead of DiffFile

Closes #55932

See merge request gitlab-org/gitlab-ce!24454

- replaced file.too_large
- replaced file.text
- replaced file.collapsed

Backport commit author changes from CE

See merge request gitlab-org/gitlab-ce!25294

Admin section finds users case-insensitively

Closes #55877

See merge request gitlab-org/gitlab-ce!25176

Resolve "Make emoji picker bigger"

Closes #50433

See merge request gitlab-org/gitlab-ce!25187

Fixes dropdowns not working in Pipelines pages

Closes #55893 and #56071

See merge request gitlab-org/gitlab-ce!25043

Exclude public group milestones from counts in milestones dashboard

Closes #56332

See merge request gitlab-org/gitlab-ce!25230

The emoji picker shows 9 emoji for each row.
On mobile devices the width is reduced to 7 emoji for each row.

This backports the changes made in EE to fix merge request approvers
from https://gitlab.com/gitlab-org/gitlab-ee/merge_requests/9574.

Merge branch '57353-git-push-fails-on-large-lfs-files-where-the-push-take-a-long-time' into 'master'

Provide expires_in in LFS authentication payload

Closes #57353

See merge request gitlab-org/gitlab-ce!25082

Remove two ignored columns

See merge request gitlab-org/gitlab-ce!25250

Remove TLD validation from cluster domain

Closes #57650

See merge request gitlab-org/gitlab-ce!25262

Correctly align resolved discussion text

Closes #55206

See merge request gitlab-org/gitlab-ce!25001

Bump Gitaly to v1.20.0

Closes #53473

See merge request gitlab-org/gitlab-ce!25259

This fixes gRPC dialing to UNIX domain sockets.

Closes https://gitlab.com/gitlab-org/gitlab-ce/issues/53473

BE Improve the GitHub and Gitea import feature table interface

See merge request gitlab-org/gitlab-ce!24606

Document what features are broken when db_key_base is lost

Closes #57690

See merge request gitlab-org/gitlab-ce!25289

Add troubleshooting steps for "local issuer certificate" error

See merge request gitlab-org/gitlab-ce!25287

Backport fixtures update for Container Scanning

See merge request gitlab-org/gitlab-ce!25183

Sync fixture with EE.

Guarantee functions are not lost after Knative update

See merge request gitlab-org/gitlab-ce!25067

- Adds to specs the case where apps are also updated
- Rename scope calls on Gitlab::UsageData and Clusters::Cluster
- Removes a duplicated spec

Base pipeline must be from target branch

Closes #57671

See merge request gitlab-org/gitlab-ce!25226

Document how to debug declarative policies

See merge request gitlab-org/gitlab-ce!25234

Add guidance for the initial state of a feature flag

See merge request gitlab-org/gitlab-ce!24829

Refactor of API landing page

See merge request gitlab-org/gitlab-ce!25076

- Breaks up into more sections.
- Also minor fixes to pages within sections.

Merge branch '36263-the-award-emoji-api-has-an-incorrect-description-of-the-id-parameter' into 'master'

Clarify IDs in the award emoji API

Closes #36263

See merge request gitlab-org/gitlab-ce!25215

Resolve "Implement GraphQL MergeRequestsResolver"

Closes #56485

See merge request gitlab-org/gitlab-ce!24805

CE Port of Multiple merge request approval rules

See merge request gitlab-org/gitlab-ce!25193

Resolve "Search bar rendering `none` and `any` as users"

Closes #57692

See merge request gitlab-org/gitlab-ce!25235

This helped me troubleshoot
https://gitlab.com/gitlab-org/gitlab-ee/issues/9727#note_141202527.