Apply new GitLab UI for apply template button in the new issue

app/views/shared/form_elements/_apply_template_warning.html.haml

@@ -7,7 +7,7 @@
       %p
         = _("Applying a template will replace the existing issue description. Any changes you have made will be lost.")
 
-      %button.js-override-template.btn.btn-warning.mr-2{ type: 'button' }
+      %button.js-override-template.btn.gl-button.btn-confirm.mr-2{ type: 'button' }
         = _("Apply template")
-      %button.js-close-btn.js-cancel-btn.btn.btn-inverted{ type: 'button' }
+      %button.js-close-btn.js-cancel-btn.btn.gl-button.btn-default{ type: 'button' }
         = _("Cancel")

changelogs/unreleased/gl-button-apply-template.yml

+---
+title: Apply new GitLab UI for apply template button in new issue
+merge_request: 54143
+author: Yogi (@yo)
+type: changed