fix: preserve request actions and soften test-mode mail failures

backend/workflows/static/workflows/js/confirm_dialog.js

@@ -54,6 +54,7 @@
     const form = event.target;
     const message = form.dataset.confirm;
     if (!message || form.dataset.confirmBypass === '1') return;
+    const submitter = event.submitter || null;
     event.preventDefault();
     open(message).then(function (confirmed) {
       if (!confirmed) return;
@@ -62,7 +63,7 @@
         window.AppActionProgress.show(form);
       }
       if (typeof form.requestSubmit === 'function') {
-        form.requestSubmit();
+        form.requestSubmit(submitter || undefined);
       } else {
         form.submit();
       }