style(frontend): apply ultracite 7.12 formatting and lint rules

frontend/src/lib/components/ui/Avatar.svelte

@@ -54,15 +54,15 @@
 
 <div
   class="Avatar"
-  class:deleted
   style="
     --avatar-size: {size}rem;
     --avatar-from: {pair[0]};
     --avatar-to: {pair[1]};
   "
+  class:deleted
 >
   {#if url}
-    <img class="photo" src={url} alt={name}>
+    <img alt={name} class="photo" src={url}>
   {:else}
     <span class="initials">{initials}</span>
   {/if}