Use type import and update page load event handling.

src/components/PostComponent.astro

@@ -1,5 +1,5 @@
 ---
-import {CollectionEntry} from "astro:content";
+import type {CollectionEntry} from "astro:content";
 import {l} from "../util/util";
 import {astroI18n} from "astro-i18n";
 import {Image} from "astro:assets";

src/pages/ankuendigungen/[...slug].astro

@@ -164,7 +164,7 @@ const ogImage = await getImage({
                 }
             }
 
-            mountEvent();
+            document.addEventListener("astro:page-load", mountEvent);
         </script>
     </article>
 </PageLayout>