WebDriver usage: classic WebDriver support + BiDi snippet fixes

[cdebled]

• Selenium
  • Classic WebDriver is supported alongside BiDi
  • Fix the JavaScript BiDi snippet for selenium-webdriver 4.48+
• Puppeteer
  • The callout lists the sandbox helpers that fail over BiDi
  • The snippet reads the title with page.evaluate()
• Quickstart: same Selenium JavaScript fix
• Run locally and Architecture: serve speaks classic WebDriver and BiDi