Merge branch '198625-change-button-style-on-instance-security-dashboard' into 'master'

Change button style to default in edit instance security dashboard

See merge request gitlab-org/gitlab!34139

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

@@ -75,7 +75,6 @@ export default {
     toggleButtonProps() {
       return this.showProjectSelector
         ? {
-            variant: 'success',
             text: s__('SecurityReports|Return to dashboard'),
           }
         : {