Merge branch 'policies-end-to-end-tests' into 'master'

...threat_monitoring/components/policies/policies_header.vue

...s/threat_monitoring/components/policies/policies_list.vue

...eat_monitoring/components/policy_editor/policy_editor.vue

qa/qa/ee/page/project/policies/index.rb

qa/qa/ee/page/project/policies/policy_editor.rb

qa/qa/ee/page/project/sub_menus/security_compliance.rb

qa/qa/ee/page/project/threat_monitoring/index.rb

...s/features/ee/browser_ui/10_protect/policies_list_spec.rb

...tures/ee/browser_ui/10_protect/policy_alerts_list_spec.rb