pinwheel: Refer to nix store packages in hyperland config

hosts/pinwheel/home.nix

@@ -200,10 +200,10 @@
         move = builtins.genList (x: "$mod SHIFT, ${ws x}, movetoworkspacesilent, ${builtins.toString (x + 1)}") 10;
       in 
       select ++ move ++ [
-        "$mod, x, exec, swaylock"
+        "$mod, x, exec, ${pkgs.swaylock}/bin/swaylock"
         "$mod SHIFT, x, exec, systemctl suspend"
 
-        "$mod, RETURN, exec, foot"
+        "$mod, RETURN, exec, ${pkgs.foot}/bin/foot"
         "$mod, SPACE, exec, bemenu-run" 
 
         "$mod, ESCAPE, killactive"