[sway] Migrate swayidle to a proper systemd user unit

bin/executable_autostart

@@ -27,9 +27,3 @@ sleep 0.3
 swaymsg workspace "3 "
 swaymsg layout tabbed
 swaymsg exec start-comms
-
-swayidle \
-    timeout 300 'blur-lock' \
-    timeout 600 'swaymsg "output * dpms off"' \
-    resume 'swaymsg "output * dpms on"' \
-    before-sleep 'blur-lock' &

dot_config/nixpkgs/home.nix

@@ -347,6 +347,27 @@ in
        };
  };
 
+ systemd.user.services.swayidle = {
+       Unit = {
+             Description = "Idle Manager for Wayland";
+             After = "graphical-session-pre.target";
+             PartOf = "graphical-session.target";
+       };
+       Service = {
+             ExecStart = '' ${pkgs.swayidle}/bin/swayidle -w -d \
+               before-sleep '${config.home.homeDirectory}/bin/blur-lock' \
+               timeout 300 '${config.home.homeDirectory}/bin/blur-lock' \
+               timeout 600 '${pkgs.sway}/bin/swaymsg "output * dpms off"' \
+               resume '${pkgs.sway}/bin/swaymsg "output * dpms on"'
+             '';
+             Restart = "on-failure";
+             RestartSec = 5;
+       };
+       Install = {
+             WantedBy = [ "graphical-session.target" ];
+       };
+ };
+
   services.gammastep = {
         enable = true;
         latitude = "48.15";