Merge remote-tracking branch 'gitlab-ce/5029-support-cluster-metrics-ce' into 5029-support-cluster-metrics

# Conflicts:
#	app/controllers/projects/prometheus/metrics_controller.rb
#	app/controllers/projects/prometheus_controller.rb
#	app/models/environment.rb
#	config/gitlab.yml.example
#	config/sidekiq_queues.yml
#	db/schema.rb
#	spec/controllers/projects/prometheus/metrics_controller_spec.rb
#	spec/models/environment_spec.rb
#	spec/models/project_services/prometheus_service_spec.rb

Removed service_desk webpack bundle tag

See merge request gitlab-org/gitlab-ee!4837

EE Port for Project and Groups Badges API

See merge request gitlab-org/gitlab-ee!4804

EE: Port Labels Select dropdown to Vue

See merge request gitlab-org/gitlab-ee!4834

[port] New `/wip` quick action on MR creation

See merge request gitlab-org/gitlab-ee!4790

New Crowdin translations

See merge request gitlab-org/gitlab-ee!4823

[EE] Use limited count queries also for scoped searches

See merge request gitlab-org/gitlab-ee!4782

change to symbol

add complete changelog

add test for /wip

unwip as sym

test for work in progress separate from issuable

Moved IDE into EE folder

See merge request gitlab-org/gitlab-ee!4784