Address PR #1214 review nits

- Hoist previewUri() to a const in ResourceTemplatePanel to avoid
  duplicate computation
- Include resource.title in subscriptions search filter for consistency
  with resources and templates filters

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

clients/web/src/components/groups/ResourceControls/ResourceControls.tsx

@@ -70,6 +70,7 @@ export function ResourceControls({
   const filteredSubscriptions = subscriptions.filter(
     (s) =>
       s.resource.name.toLowerCase().includes(query) ||
+      (s.resource.title?.toLowerCase().includes(query) ?? false) ||
       s.resource.uri.toLowerCase().includes(query),
   );