4.30.5 - Refactor UC Mode and JS waits

Refactor UC Mode and JS waits

• Improve UC Mode reliability
  --> This resolves #3120
• Update UC Mode compatibility
• Change default settings for AngularJS waits
  --> This resolves #3122
• Add option to wait for AngularJS to load

What's Changed

• Refactor UC Mode and JS waits by @mdmintz in #3124

Full Changelog: v4.30.4...v4.30.5