Unbreak Debian 11 and partially Ubuntu 22.04 (Wayland+GDM+Gnome) (#81)

* Unbreaking Debian 11 and partially Ubuntu 22.04

* pre-cleanup

* pre-cleanup2

* Update im-launch

* Update gnome-extension-ding

* polishing

* not yet

* Update ubuntu.flags

Allow GDM to boot. `No new privs` fix.

* Update debian.flags

Allow GDM to boot. `No new privs` fix.

* Update CONTRIBUTING.md

* fixes

* reverting w

* move setpriv to main.flags

apparmor.d/groups/freedesktop/pipewire

@@ -19,6 +19,11 @@ profile pipewire @{exec_path} flags=(attach_disconnected) {
 
   ptrace (read),
 
+  dbus send bus=session path=/org/freedesktop/DBus
+       interface=org.freedesktop.DBus
+       member=GetConnectionUnixProcessID
+       peer=(name=org.freedesktop.DBus, label=dbus-daemon),
+
   dbus send bus=system path=/org/freedesktop/RealtimeKit[0-9]
        interface=org.freedesktop.RealtimeKit[0-9]
        member=MakeThread*
@@ -29,6 +34,11 @@ profile pipewire @{exec_path} flags=(attach_disconnected) {
        member=Get
        peer=(name=org.freedesktop.RealtimeKit[0-9]),
 
+  dbus receive bus=session path=/
+       interface=org.freedesktop.DBus.Introspectable
+       member=Introspect
+       peer=(name=:*, label=gnome-shell),
+
   @{exec_path} mr,
 
   /{usr/,}bin/pactl                   rPx,