[fractal/flatpak-xdconf] flatpak: Enable dconf access

[Daniel Garcia Moreno <danigm src gnome org>]

commit 682a40a03d5c7853fb423c7c13e91d3ab3ecf4bf
Author: Daniel García Moreno <dani danigm net>
Date:   Mon Sep 23 10:11:51 2019 +0200

    flatpak: Enable dconf access
    
    Here's more information about the dconf access:
    
    http://docs.flatpak.org/en/latest/sandbox-permissions.html#dconf-access

 flatpak/org.gnome.Fractal.json | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
---
diff --git a/flatpak/org.gnome.Fractal.json b/flatpak/org.gnome.Fractal.json
index 721d986b..f7fb00ea 100644
--- a/flatpak/org.gnome.Fractal.json
+++ b/flatpak/org.gnome.Fractal.json
@@ -22,7 +22,8 @@
         "--device=dri",
         "--talk-name=org.freedesktop.secrets",
         "--talk-name=org.freedesktop.Notifications",
-        "--filesystem=home"
+        "--filesystem=home",
+        "--metadata=X-DConf=migrate-path=/org/gnome/Fractal/"
     ],
     "build-options" : {
         "append-path" : "/usr/lib/sdk/rust-stable/bin",