trying to achieve correct display update on page content update – I have a feeling that this still doesn`t work reliably

Signed-off-by: Stephan Richter <s.richter@srsoftware.de>

frontend/src/routes/wiki/View.svelte

@@ -14,7 +14,7 @@
 
     let detail = $state(false);
     let { key, version } = $props();
-    let page = $state(null);
+    let page = $state({});
     let router = useTinyRouter();
     let members = $state({});
     let editable = $derived(page.members[user.id].permission.code<4);
@@ -72,9 +72,9 @@
 
     async function loadContent(res){
         if (res.ok){
-            page  = null;
-            page  = await res.json();
-            page.versions.sort((a,b)=>b-a);
+            let json  = await res.json();
+            json.versions.sort((a,b)=>b-a);
+            page = { ...json };
             yikes();
             return true;
         } else {
@@ -131,7 +131,7 @@
 
     $effect(loadPage);
 </script>
-{#if page}
+{#if page && page.versions}
 <div class="wiki page">
     <div class="versions">
         <span class="version">{t('version')}</span>