refactor(nc-gui): reduce ant modal top offset to prevent big scroll to bottom

packages/nc-gui/assets/style.scss

@@ -281,3 +281,7 @@ a {
 .nc-toolbar-btn {
   @apply !shadow-none rounded hover:(ring-1 ring-primary ring-opacity-100) focus:(ring-1 ring-accent ring-opacity-100);
 }
+
+.ant-modal {
+  @apply !top-[50px];
+}