Until we can setup the deploy key

There is only one AdHocCommand offered and its more of a gimmick.

It’s better to leave this up to the window manager and don’t mess with it.
Users who don’t want to minimize to tray can either use the tray show/hide button
or set the `Action on Close` setting accordingly.

The new popover setting allows for more than two values and is a
more flexibel approach.

Conditions are listed here: https://dev.gajim.org/gajim/gajim/-/wikis/development/MUC-Invite-Logic

Ignore checks which are executed with flake8

- Rewrite using argparse and Gio

- Add type annotations
- Remove non-essential signals and methods
- Refactor and simplify code

Fixes #10989

Fixes #10985

Fixes #10977

Fixes #10984

Following settings are removed

- ask_offline_status
- always_ask_for_status_message

With the new UI these settings make not much sense anymore as the
status message field is right under the status selector.

Fixes #10986

Unify all presence signals into one

Fixes #10934