fix(search): correct file detail page URL in search results

Both the /search page and the inline search in /files were
generating links to /files/{id} which returns 404. The correct
route is /files/{id}/detail.

Co-authored-by: christianlouis <361235+christianlouis@users.noreply.github.com>

frontend/templates/files.html

@@ -1012,7 +1012,7 @@
             ${snippet ? `<div style="margin-top: 0.4rem; font-size: 0.8rem; color: #374151; white-space: pre-wrap; word-break: break-word;">…${snippet}…</div>` : ''}
           </div>
           <div style="flex-shrink: 0;">
-            <a href="/files/${hit.file_id}" style="padding: 0.25rem 0.6rem; background: #f3f4f6; color: #374151; border-radius: 0.25rem; font-size: 0.8rem; text-decoration: none; white-space: nowrap;" title="View file">
+            <a href="/files/${hit.file_id}/detail" style="padding: 0.25rem 0.6rem; background: #f3f4f6; color: #374151; border-radius: 0.25rem; font-size: 0.8rem; text-decoration: none; white-space: nowrap;" title="View file">
               <i class="fas fa-external-link-alt"></i>
             </a>
           </div>

frontend/templates/search.html

@@ -196,7 +196,7 @@
       var tags = Array.isArray(hit.tags) ? hit.tags : (hit.tags ? [hit.tags] : []);
       var docType = hit.document_type || '';
       var sender = hit.sender || hit.absender || '';
-      var fileUrl = '/files/' + hit.file_id;
+      var fileUrl = '/files/' + hit.file_id + '/detail';
 
       // Build badges
       var badges = '';