[Part 2] 5276 Update existing stores for terminal file sync

Closes #5276

See merge request gitlab-org/gitlab-ee!14027

- On CMD+S when editor is focused
- On editor blur
- When file is created in tree
- When file is removed in tree
- When file is renamed in tree

[Part 1] 5276 Remove 'build-page' from 'ide-terminal' element

See merge request gitlab-org/gitlab-ee!14026

Make Epics and Issues count dynamic in Epic tree

See merge request gitlab-org/gitlab-ee!14003

added code differences from EE to CE

Closes gitlab-ee#10088

See merge request gitlab-org/gitlab-ce!29271

Remove metrics_time_window feature flag

Closes #62091

See merge request gitlab-org/gitlab-ce!28670

EE Port: Remove metrics_time_window feature flag

See merge request gitlab-org/gitlab-ee!13227

The metrics_time_window feature flag is rebranded as
showTimeWindowDropdown across vue files. To optimize
for the least complexity in the dashboard, this commit
removes the flag entirely, rather than setting the
value to true throughout.

Use elasticsearch go indexer for wikis

Closes #11269

See merge request gitlab-org/gitlab-ee!13743

SSoT audit fixes for some topics in CI section

Closes #61505

See merge request gitlab-org/gitlab-ce!28957

Implements part of the single source of truth audit
fixes for the CI section.

Integrate demo link into content more

See merge request gitlab-org/gitlab-ce!29242

Fix api docs that didn't get cherry picked to EE

See merge request gitlab-org/gitlab-ee!14018

Makes Epics/Issues count in Epic Tree header dynamic to account for
child item additions and removals.

(CE Port) Onboarding helper component

See merge request gitlab-org/gitlab-ce!29133

- Add styles for popover
- Add $accepting-mr-label-color to color variables

Onboarding helper component

See merge request gitlab-org/gitlab-ee!13922

- Add tour parts list component
- Add styles for popover
- Add animations for onboarding helper
- Add styles for onboarding helper container
- Update PO files
- Add specs for onboarding helper and tour parts list

Add git 2.21 install from update_source

See merge request gitlab-org/gitlab-ce!28836

Remove limit of 50 in child_items query

See merge request gitlab-org/gitlab-ee!14009

Add a Secure E2E test for pipeline reports

See merge request gitlab-org/gitlab-ee!12175

Hide operations icon in small screens

See merge request gitlab-org/gitlab-ce!29230

Hide operations icon in small screens.

Closes #9764

See merge request gitlab-org/gitlab-ee!13960

**Why?**
The styles applied to `.build-page .top-bar` were mostly
unecessary for the IDE terminal. The static positioning might
have also been causing a strange line to show up in the terminal.

Add Dependency List app component

See merge request gitlab-org/gitlab-ee!13684

This forms part of the [Dependency List MVC][1].

This is the root component of the feature, and composes the table,
actions and alert components [as designed][1].

[1]: https://gitlab.com/gitlab-org/gitlab-ee/issues/10075

Improve Jira Server documentation

Closes #58975

See merge request gitlab-org/gitlab-ce!28463