4.45.5 - Fix base Chromium in Driver() format

Fix base Chromium in Driver() format

• Fix base Chromium in Driver() format
  --> Specifically Driver(use_chromium=True) or --use-chromium with Driver()
  --> Also fixes Chrome-for-Testing and Chrome-Headless-Shell with Driver() format

What's Changed

• Fix base Chromium in Driver() format by @mdmintz in #4180

Full Changelog: v4.45.4...v4.45.5