fix(home): explicitly enable home.pointerCursor

home/linux/gui/base/gtk.nix

@@ -9,6 +9,7 @@
   # which enable a bunch of compatibility options that should make the themes load in all situations.
 
   home.pointerCursor = {
+    enable = true;
     gtk.enable = true;
     x11.enable = true;
     package = pkgs.bibata-cursors;