Add feature flag

* Pushes feature flag to frontend
* Adds feature flag check to frontend

app/controllers/projects/pipelines_controller.rb

@@ -17,6 +17,7 @@ class Projects::PipelinesController < Projects::ApplicationController
     push_frontend_feature_flag(:graphql_pipeline_details, project, type: :development, default_enabled: :yaml)
     push_frontend_feature_flag(:graphql_pipeline_details_users, current_user, type: :development, default_enabled: :yaml)
     push_frontend_feature_flag(:ci_mini_pipeline_gl_dropdown, project, type: :development, default_enabled: :yaml)
+    push_frontend_feature_flag(:jira_for_vulnerabilities, @project, type: :development, default_enabled: false)
   end
   before_action :ensure_pipeline, only: [:show]
   before_action :push_experiment_to_gon, only: :index, if: :html_request?

ee/app/assets/javascripts/security_dashboard/components/vulnerability_action_buttons.vue

@@ -3,6 +3,7 @@ import { mapActions, mapState } from 'vuex';
 import { GlTooltipDirective, GlButton } from '@gitlab/ui';
 import { VULNERABILITY_MODAL_ID } from 'ee/vue_shared/security_reports/components/constants';
 import { BV_SHOW_MODAL } from '~/lib/utils/constants';
+import glFeatureFlagsMixin from '~/vue_shared/mixins/gl_feature_flags_mixin';
 import { s__ } from '~/locale';
 
 export default {
@@ -13,6 +14,7 @@ export default {
   directives: {
     GlTooltip: GlTooltipDirective,
   },
+  mixins: [glFeatureFlagsMixin()],
   props: {
     vulnerability: {
       type: Object,
@@ -37,7 +39,9 @@ export default {
   computed: {
     ...mapState('vulnerabilities', ['isCreatingIssue', 'isDismissingVulnerability']),
     isJiraVulnerabilityIssuesEnabled() {
-      return Boolean(this.vulnerability.create_jira_issue_url);
+      return (
+        this.glFeatures.jiraForVulnerabilities && Boolean(this.vulnerability.create_jira_issue_url)
+      );
     },
     createIssueButtonLabel() {
       const {