style: 更新样式

Author: ArgoZhang

src/BootstrapBlazor/Components/Tab/Tab.razor.scss

@@ -552,6 +552,10 @@
     .nav-link-bar {
         padding: 3px 0.5rem;
 
+        &[data-bs-toggle="dropdown"] {
+            margin-inline-end: .25rem;
+        }
+
         .nav-link-bar-button {
             cursor: pointer;
             padding: 0 .75rem;