Wait for the toggle PUT to land before reloading in the feature e2e test

The click fires an async toggle-state update; reloading immediately after
raced it and read back the pre-toggle value, flaking the persistence check.

src/admin/e2e/features.e2e.ts

@@ -32,6 +32,10 @@ test('creating a feature adds it to the table and its toggle can be flipped', as
   await toggle.click({ force: true });
   await expect(toggle).toBeChecked({ checked: !wasChecked });
 
+  // The click's own toggle-state PUT is async; wait for it to land before reloading,
+  // otherwise the reload can race it and read back the pre-toggle value.
+  await page.waitForLoadState('networkidle');
+
   // Reload to confirm the toggle was persisted to the real API/DB, not just local state.
   await page.reload();
   const reloadedRow = page.getByRole('row', { name: new RegExp(featureName) });