fix(ui): improve table layout and user info display

- Remove row highlighting in downloads queue table
- Adjust column widths and row heights for better alignment
- Fix playlist name decoding for empty params
- Replace labels with spans in user info

src/routes/downloads/+page.svelte

@@ -75,7 +75,7 @@
         </thead>
         <tbody>
           {#each queueItems as item (item.id)}
-            <tr class={item.status === 'downloading' ? 'highlighted' : ''}>
+            <tr>
               <td class="col-title">{item.title}</td>
               <td class="col-artist">{item.artist}</td>
               <td class="col-progress">
@@ -153,8 +153,12 @@
     table-layout: fixed;
   }
 
+  tbody td {
+    height: 32px;
+  }
+
   .col-title {
-    width: 35%;
+    width: auto;
   }
 
   .col-artist {
@@ -170,7 +174,7 @@
   }
 
   .col-actions {
-    width: 10%;
+    width: 32px;
     text-align: center;
   }