Enable Cypress and Playwright retries (#29056)

* Enable Cypress and Playwright retries
* Improve E2E commit status messages
* Demote unstable testcases, increase task timeout

e2e-tests/playwright/playwright.config.ts

@@ -12,6 +12,7 @@ export default defineConfig({
     globalSetup: require.resolve('./global_setup'),
     forbidOnly: testConfig.isCI,
     outputDir: './results/tests',
+    retries: testConfig.isCI ? 2 : 0,
     testDir: 'tests',
     timeout: duration.one_min,
     workers: testConfig.workers,