website: Move a comment.

This is a follow-up to d3f524d4ea.

* apps/base/templates/components.scm (menu-dropdown)[style]:
Move comment on initial values to correct place.

website/apps/base/templates/components.scm

@@ -309,8 +309,9 @@ manual.
             (style ,(string-append "#" id ":checked ~ #submenu-" label-hash "
 {
     min-width: 150px;
-    /* reset to initial values: */
     width: max-content;
+
+    /* reset to initial values: */
     height: auto;
     overflow: visible;
 }"))