sway: handle cursor names containing spaces (#654)

Closes: #648
Fixes: 0779524 ("Add cursor support (#172)")
Link: #654
(cherry picked from commit 111c75d)

modules/sway/hm.nix

@@ -55,10 +55,7 @@ in {
         };
 
         output."*".bg = "${config.stylix.image} ${config.stylix.imageScalingMode}";
-
-        seat."*" = {
-          xcursor_theme = "${config.stylix.cursor.name} ${toString config.stylix.cursor.size}";
-        };
+        seat."*".xcursor_theme = ''"${config.stylix.cursor.name}" ${toString config.stylix.cursor.size}'';
       };
     })