fix(ui): fix slight vertical overflow in project selector (#6589)

packages/ui/src/components/select.css

@@ -112,6 +112,9 @@
       pointer-events: none;
     }
     [data-slot="select-select-item-indicator"] {
+      display: flex;
+      align-items: center;
+      justify-content: center;
       margin-left: auto;
       width: 16px;
       height: 16px;