remove dconf references, add xdg+home filesystem references

org.gnome.Organizer.json

@@ -8,10 +8,13 @@
         "--share=ipc",
         "--socket=x11",
         "--socket=wayland",
-        "--filesystem=xdg-run/dconf",
-        "--filesystem=~/.config/dconf:ro",
-        "--talk-name=ca.desrt.dconf",
-        "--env=DCONF_USER_CONFIG_DIR=.config/dconf"
+        "--filesystem=home",
+        "--filesystem=xdg-desktop",
+        "--filesystem=xdg-documents",
+        "--filesystem=xdg-download",
+        "--filesystem=xdg-music",
+        "--filesystem=xdg-pictures",
+        "--filesystem=xdg-videos"
     ],
     "build-options" : {
         "cflags" : "-O2 -g",