Browser automation fixes

Display the underlying error should the network retry logic fail.

removing debug output from the dependent library

Merge pull request #277 from rusq/backport

v2.5.6 patch

Downloader fix (tombstone files) and slack lib update

backported fixes

Bugfix: do not hang on workspace 404

Handle the email challenge during headless login.

Fix windows login and improve login UX

- Replaced playwright and survey