fix(ui): adjust alignment of list header actions (#12793)

### Before
![Screenshot 2025-06-12 at 11 54
58 AM](https://github.com/user-attachments/assets/82ecfe5a-b483-43da-abb7-1a2b1b548807)

### After
![Screenshot 2025-06-12 at 11 55
12 AM](https://github.com/user-attachments/assets/7b017ec3-f31a-4985-905f-951cface0c5c)


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packages/ui/src/elements/ListHeader/index.scss

@@ -33,7 +33,7 @@
       margin-bottom: 4px;
       display: flex;
       flex-wrap: wrap;
-      align-items: flex-end;
+      align-items: center;
       gap: calc(var(--base) * 0.5);
     }