Improve pipeline status in case that pipeline has no jobs

## What does this MR do?

This MR resolves problem with pipeline status when there are no build in pipeline.

This can happen when builds were skipped - for example - by using `only`/`except` keyword in `.gitlab-ci.yml`.

## What are the relevant issue numbers?

Closes #17977

See merge request !4403

* master: (538 commits)
  Fix broken URI joining for `teamcity_url` with suffixes
  Factorize duplicated code into a method in BambooService and update specs
  Fix broken URI joining for `bamboo_url` with suffixes
  Honor credentials on calling Bamboo CI trigger
  Update CHANGELOG
  Use Issue.visible_to_user in Notes.search to avoid query duplication
  Project members with guest role can't access confidential issues
  Allow users to create confidential issues in private projects
  Update CHANGELOG
  Remove deprecated issues_tracker and issues_tracker_id from project
  Schema doesn’t reflect the changes of the last 3 migrations
  Apply reviewer notes: update CHANGELOG, adjust code formatting
  Move issue rendering tests into separate contexts
  Move change description to proper release and fix typo
  Add more information into RSS fead for issues
  Revert CHANGELOG
  Also rename "find" in the specs
  Change to new Notes styleguide
  Add guide on changing a document's location
  Change logs.md location in README
  ...

Conflicts:
	app/services/ci/create_builds_service.rb
	app/services/ci/create_pipeline_service.rb
	app/services/create_commit_builds_service.rb
	spec/models/ci/commit_spec.rb
	spec/services/ci/create_builds_service_spec.rb
	spec/services/create_commit_builds_service_spec.rb