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This change allows package maintainers to remove the
dos2unix dependency in Gajim’s FreeBSD port.

Fixes #10428

IDNA is about domain name only, so ignore username, password and port.

Fixes #10010.

Trying to work around #10455

bareMatch() is deprecated

As soon as a line break occurs in Gtk.TextView with word-char wrapping enabled,
a hyphen character is automatically inserted before the line break. This triggers
the hscrollbar to show, see: https://gitlab.gnome.org/GNOME/gtk/-/issues/2384

Enable loading images <100px and add multiple fail-safes

We just assume pubsub will be always there

Fixes: #10436

Fixes: #10424

Fixes: #10273

Also check for GAJIM_DEBUG

This allows us to discover if Gajim was started with Gajim-Debug.exe