[gnome-disk-utility] flatpak: Use fallback-x11 instead of x11

[Kai Lüke <kailueke src gnome org>]

commit efba42ec904afd85f1d8872aae8e954da5fda129
Author: Maximiliano Sandoval R <msandova protonmail com>
Date:   Sat Jul 16 09:55:14 2022 +0200

    flatpak: Use fallback-x11 instead of x11

 flatpak/org.gnome.DiskUtility.json | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/flatpak/org.gnome.DiskUtility.json b/flatpak/org.gnome.DiskUtility.json
index 5d9b654d..25e71eef 100644
--- a/flatpak/org.gnome.DiskUtility.json
+++ b/flatpak/org.gnome.DiskUtility.json
@@ -17,7 +17,7 @@
         "--socket=session-bus",
         "--socket=system-bus",
         "--socket=wayland",
-        "--socket=x11",
+        "--socket=fallback-x11",
         "--env=G_ENABLE_DIAGNOSTIC=1"
     ],
     "build-options" : {