fix(platform-test): badge div call syntax

- badgeRow was created with 3rd arg to div(className, children) which was ignored
- Fix: div('', [badge]) wraps badge properly so Frontend Bundle Loaded text renders

plugins/platform-test/frontend/dist/index.js

@@ -79,7 +79,7 @@
         el('span', {}, ['✅']),
         el('span', {}, ['Frontend Bundle Loaded']),
       ]);
-      var badgeRow = div('', { style: { marginBottom: '1rem' } }, [badge]);
+      var badgeRow = div('', [badge]);
 
       /* ── Test results summary ──────────────────────────────────── */
       var testsData = [

plugins/platform-test/frontend/src/index.js

@@ -79,7 +79,7 @@
         el('span', {}, ['✅']),
         el('span', {}, ['Frontend Bundle Loaded']),
       ]);
-      var badgeRow = div('', { style: { marginBottom: '1rem' } }, [badge]);
+      var badgeRow = div('', [badge]);
 
       /* ── Test results summary ──────────────────────────────────── */
       var testsData = [