Update macOS File Provider Documentation

[i2h3]

Before You Submit

• [x] I have checked for existing issues and pull requests related to my suggestion.
• [x] I have posted on the Nextcloud Community Help Forum if my suggestion is a troubleshooting scenario or I'm unsure about the solution.

Type of Suggestion

• Update screenshots
• Update feature descriptions
• Add information about where to find logs or that they are included in the debug archive
• Add information on how to clean up or reset a client installation

Relevant Documentation Links

https://docs.nextcloud.com/server/latest/user_manual/en/desktop/macosvfs.html

Summary

The documentation contains outdated screenshots and refers no no longer existent features while lacking newer ones.

Details

Update the article to reflect the current appearance and feature set.

Additional Notes

• Source file: https://github.com/nextcloud/documentation/blob/master/user_manual/desktop/macosvfs.rst
• This update is intended to be aligned with the next minor client release (4.1)