fix(widgets): stabilize user card layout

assets/js/header-userbox.js

@@ -119,9 +119,12 @@
           btn.disabled = true;
           btn.setAttribute('disabled', 'disabled');
           // Keep existing structure so CSS layout (.but.block flex) is not lost.
+          var signedLabel = btn.classList.contains('aksrt-header-checkin--compact')
+            ? '已签到'
+            : '今日已签到';
           btn.innerHTML =
             '<i class="fas fa-calendar-check" aria-hidden="true"></i>' +
-            '<span>今日已签到</span>';
+            '<span>' + signedLabel + '</span>';
         })
         .catch(function () {
           toast('网络错误', 'danger');