Bug 1882985 - Grant flatpak device=all permission to fix MFA. r=rjl DONTBUILD

Depends on D205475

Differential Revision: https://phabricator.services.mozilla.com/D206117

--HG--
extra : moz-landing-system : lando

taskcluster/docker/tb-flatpak/repack.sh

@@ -172,7 +172,7 @@ flatpak build-finish build                                      \
         --filesystem=xdg-run/gnupg:ro                           \
         --filesystem=xdg-run/speech-dispatcher:ro               \
         --filesystem=/run/.heim_org.h5l.kcm-socket              \
-        --device=dri                                            \
+        --device=all                                            \
         --own-name="org.mozilla.thunderbird.*"                  \
         --own-name="org.mozilla.thunderbird_beta.*"             \
         --talk-name="org.gtk.vfs.*"                             \