It’s not possible to disable client information anymore

André authored 3 years ago and Philipp Hörist committed 3 years ago

Only disable the OS info but not sending the client version, because it
is leaked via disco info anyway.

This has gone missing at some point

Gajim isn't using IndicatorStatus.ATTENTION, and it seems to confuse some DEs

Fixes #10472

- Split into self contact, private chat and single chat menu
- Use GajimMenu

- Use GajimMenu
- Simplify code