Shadow DOM overhaul and more

Shadow DOM overhaul and more

• This resolves #1083
• Update code for Shadow DOM changes in Chromium 96+
• Update dependencies:
  -- selenium==4.1.0;python_version>="3.7"
  -- packaging>=21.3;python_version>="3.6"
  -- setuptools>=59.2.0;python_version>="3.6"
  -- charset-normalizer==2.0.8;python_version>="3.5"
  -- more-itertools==8.12.0;python_version>="3.5"
  -- cryptography==36.0.0;python_version>="3.7"
  -- typing-extensions==3.10.0.2;python_version<"3.6"
  -- typing-extensions==4.0.0;python_version>="3.6" and python_version<"3.8"
• Update default Firefox preferences:
  -- "browser.contentblocking.database.enabled", True
• Add method: self.is_valid_url(url)
• Allow URLs that start with view-source: when calling self.open(url)
• Add the Recorder Desktop App (located in examples/desktop_apps/.