nixos/gnome-keyring: unlock keyring with gdm-password, gdm-autologin

GDM uses gdm-password as the PAM service name for both logins and unlocks.
So unlock gnome-keyring as part of `gdm-password`.
Without this, keyrings may not be unlocked properly for GDM 45+.

also unlock as part of GDM autologin

nixos/modules/services/desktops/gnome/gnome-keyring.nix

@@ -35,7 +35,15 @@ in
 
     xdg.portal.extraPortals = [ pkgs.gnome.gnome-keyring ];
 
-    security.pam.services.login.enableGnomeKeyring = true;
+    security.pam.services = lib.mkMerge [
+      {
+        login.enableGnomeKeyring = true;
+      }
+      (lib.mkIf config.services.xserver.displayManager.gdm.enable {
+        gdm-password.enableGnomeKeyring = true;
+        gdm-autologin.enableGnomeKeyring = true;
+      })
+    ];
 
     security.wrappers.gnome-keyring-daemon = {
       owner = "root";