accountsservice: Fix setting profile picture in GNOME Settings

GNOME Settings places the picture to /tmp for AccountsService to use.
But accounts-daemon.service has PrivateTmp enabled so it cannot access it.
Let’s apply upstream patch to remove this hardening until a proper solution is implemented.

pkgs/development/libraries/accountsservice/default.nix

@@ -45,6 +45,15 @@ stdenv.mkDerivation rec {
     # Do not ignore third-party (e.g Pantheon) extensions not matching FHS path scheme.
     # Fixes https://github.com/NixOS/nixpkgs/issues/72396
     ./drop-prefix-check-extensions.patch
+
+    # Work around not being able to set profile picture in GNOME Settings.
+    # https://github.com/NixOS/nixpkgs/issues/85357
+    # https://gitlab.freedesktop.org/accountsservice/accountsservice/-/issues/98
+    # https://gitlab.gnome.org/GNOME/gnome-control-center/-/issues/1629
+    (fetchpatch {
+      url = "https://gitlab.freedesktop.org/accountsservice/accountsservice/-/commit/1ef3add46983af875adfed5d29954cbfb184f688.patch";
+      sha256 = "N4siK4SWkwYBnFa0JJUFgahi9XBkB/nS5yc+PyH3/iM=";
+    })
   ];
 
   nativeBuildInputs = [