fix admin edit

src/app/admin/admins/Admins.svelte

@@ -32,7 +32,7 @@
       </tr>
     </thead>
     <tbody>
-      {#each $admins as admin, i (admin.id)}
+      {#each $admins as admin, i (admin)}
         <tr class="hover:bg-base-200">
           <td>{i + 1}</td>
           <td>{admin.username}</td>

src/app/admin/admins/Badges.svelte

@@ -23,6 +23,7 @@
     const index = reactiveSet.indexOf(badge);
     if (index !== -1) {
       reactiveSet.splice(index, 1);
+      onUpdate?.(reactiveSet);
     }
   }
 </script>

src/app/admin/admins/CreateOrEditPopup.svelte

@@ -44,7 +44,7 @@
   let password = $state<string | null>(null);
   let permissions = $state<number | null>(admin?.permissions ?? 0);
 
-  let submitEnabled = $derived(!!(username && password));
+  let submitEnabled = $derived(!!username && (admin || password));
 
   // lifecycle
   $effect(() => {
@@ -85,7 +85,7 @@
       <div class="w-full gap-x-4 gap-y-2">
         <div class="w-[20rem]">
           <Input type="text" bind:value={username} label="Username" required />
-          <Password bind:value={password} label="Password" required />
+          <Password bind:value={password} label="Password" required={!admin} />
         </div>
         <fieldset class="fieldset">
           <legend class="fieldset-legend">Berechtigungen</legend>