Merge branch 'fl-sast-container-report' into 'master'

Render expand button for sast:container

See merge request gitlab-org/gitlab-ee!4661

ee/app/assets/javascripts/vue_shared/security_reports/components/report_section.vue

@@ -104,7 +104,8 @@
       hasIssues() {
         return this.unresolvedIssues.length ||
           this.resolvedIssues.length ||
-          this.allIssues.length;
+          this.allIssues.length ||
+          this.neutralIssues.length;
       },
     },
 

spec/javascripts/vue_mr_widget/ee_mr_widget_options_spec.js

@@ -444,7 +444,7 @@ describe('ee merge request widget options', () => {
             vm.$el.querySelector('.js-docker-widget .js-code-text').textContent.trim(),
           ).toEqual('SAST:container found 3 vulnerabilities, of which 1 is approved');
 
-          vm.$el.querySelector('.js-docker-widget button').click();
+          vm.$el.querySelector('.js-docker-widget .js-collapse-btn').click();
 
           Vue.nextTick(() => {
             expect(