test(web): await Session restoration before preset menu checks

apps/web/tests/developer-tools-settings.e2e.ts

@@ -90,6 +90,8 @@ it('persists Coding Tools and limits the built-in PTC and Minimal choices in ses
   await expect.poll(livePresets, { timeout: 15_000 }).toEqual(['standard'])
 
   await page.reload()
+  // The sessionless preset chip is replaced when the saved Session is restored.
+  await page.locator('[data-composer-input][contenteditable="true"]').waitFor()
   await page.getByRole('button', { name: 'Standard mode', exact: true }).click()
   await expect.poll(() => menu.getByRole('menuitem').count()).toBe(3)
   await page.keyboard.press('Escape')