Hide Tor settings in OnionShare

In 4.0, OnionShare has a settings dialog. It features a bunch of Tor connectivity options, see attachment.

In the context of Tails, these options are, at best, not useful, probably confusing, and possibly harmful if changing them can lead to a broken OnionShare.

Attachments

Related issues

Related to #16914 (closed)
Blocked by #14649

Original created by @sajolida on 16913 (Redmine)

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