* master:
  Hide emoji popup after multiple spaces or blank lines
  Remove enforcing uniqueness of build variables
  Improve pipeline tests for variables to test ordering
  Improve tests for predefined variables for a build

Conflicts:
	spec/models/ci/build_spec.rb
	spec/models/ci/pipeline_spec.rb

Hide emoji popup after multiple spaces or blank lines, closes #40620,#33678

Closes #40620 and #33678

See merge request gitlab-org/gitlab-ce!17680

Improve tests for predefined variables

See merge request gitlab-org/gitlab-ce!17597

This commit backports method signatures and related implementation to
the CE, to make CE and EE identical. This does not add any features from
EE, it is only aimed to reduce conflicts between CE and EE in the
future.

* master: (211 commits)

Revert "Merge branch 'sh-filter-secret-variables' into 'master'"

See merge request gitlab-org/gitlab-ce!17733

This reverts merge request !17159

Upgrade GitLab Pages to v0.7.1

See merge request gitlab-org/gitlab-ce!17732

Fix markdown table showing extra fake column v1

Closes #44024

See merge request gitlab-org/gitlab-ce!17669

fix timescale prometheus charts overlapping

Closes #43458

See merge request gitlab-org/gitlab-ce!17657

Specify installation type for link

See merge request gitlab-org/gitlab-ce!17713

Resolve "lib/gitlab/git/gitlab_projects.rb does not respect Gitlab.config.git.bin_path"

Closes #44161

See merge request gitlab-org/gitlab-ce!17693

Resolve "List Gitaly calls and arguments in the performance bar"

Closes #43805

See merge request gitlab-org/gitlab-ce!17564

Add frontend security documentation

See merge request gitlab-org/gitlab-ce!17622

Make commit pipeline accessible on file page

Closes #44152

See merge request gitlab-org/gitlab-ce!17716

This is as important as SQL timings, and much more important most of the time
than GC, Redis, or Sidekiq.

The same as the SQL queries, show the details of Gitaly calls in the performance
bar, as a modal that can be opened in the same way.

Resolve "Projects::MergeRequestsController#show is slow (implement skeleton loading)"

Closes #35475

See merge request gitlab-org/gitlab-ce!15200

Resolve "Document webpack_bundle_tag replacement method"

Closes #43720 and #42704

See merge request gitlab-org/gitlab-ce!17706

Resolve "Wrong button has the loading state when submitting a comment in issues"

Closes #44149

See merge request gitlab-org/gitlab-ce!17698

* master: (29 commits)
  Fix provider server URL used when listing repos to import
  Fix inconsistent punctuation on MR form
  Update dependency for svgs
  Fix timestamp to include %M instead of %I for post-deploy migrations.
  Use Gitaly 0.89.0
  Resolve "Hover style for sidebar dropdowns is wrong"
  fixed spec
  Respect the protocol in `expose_url`
  Fix removes source branch text being rendered in merged state
  Fix code and wiki search results when filename is non-ASCII
  Include the ee/ directory in backtraces
  Use GitLab fork of zaproxy
  Updates file extensions on Vue docs
  fixed note polling not sending updated last fetched at date added spec for polling
  Add changelog entry
  Use `list.id` for `:key`
  added mutation spec
  Bump parser and unparser gems to remove warnings
  fix polling not working correctly
  Fixed issue notes being duplicated
  ...