fuzzel: apply iconTheme (#1497)

Link: https://github.com/nix-community/stylix/pull/1497

Reviewed-by: awwpotato <awwpotato@voidq.com>
Reviewed-by: NAHO <90870942+trueNAHO@users.noreply.github.com>

modules/fuzzel/hm.nix

@@ -32,5 +32,12 @@ mkTarget {
         };
       }
     )
+    (
+      { polarity, iconTheme }:
+      {
+        programs.fuzzel.settings.main."icon-theme" =
+          if (polarity == "dark") then iconTheme.dark else iconTheme.light;
+      }
+    )
   ];
 }