Version 49.alpha.0

Removed XSMP
Removed session restore functionality
X11 sessions are disabled by default
Added a default mimeapps list for GNOME's core apps
gsd-xsettings now starts on demand in Wayland
Dropped gnome-dummy session
Allow Inhibit() with no app ID
Unset all LC_* variables that are bound to REGION
Ported fail whale to gtk4
Dropped session selector GUI
Dropped the hardware acceleration check
gnome-session-inhibit: Propagate parent death
gnome-session-inhibit: Fixup terminal handling

Contributors:
Benjamin Berg, Alessandro Bono, Matthias Clasen, gnome-build-meta-bot,
Neal Gompa, Sophie Herold, Javier Jardón, Chris Mayo, Simon McVittie,
Jordan Petridis, Ray Strode, Joan Torres, Adrian Vovk, Chris Williams

Translators:
Марко Костић [sr], Aefgh Threenine [th], A S Alam [pa], Baxrom Raxmatov [uz],
Ekaterine Papava [ka], Martin [sl], Quentin PAGÈS [oc], Vasil Pupkin [be]