[FIX] website: keep same spaces between carousel indicators links

Before that the space between the first two links was more spaced than
the others.

Part of https://github.com/odoo/odoo/pull/44180
task-2162952

X-original-commit: baeb08da7a32b5c185c358ec6820f8a66c6edb4f

addons/website/static/src/js/editor/snippets.options.js

@@ -1029,6 +1029,7 @@ options.registry.CarouselItem = options.Class.extend({
             'data-target': '#' + this.$target.attr('id'),
             'data-slide-to': $items.length,
         }));
+        this.$indicators.append(' ');
         // Need to remove editor data from the clone so it gets its own.
         const $active = $items.filter('.active');
         $active.clone(false)