fix(theme): explicitly enable home.pointerCursor

Home Manager deprecated implicit cursor-config generation from
pointerCursor attrs; set enable = true in the three theme modules that
define it (catppuccin, stylix, gtk).

Author: khaneliman

modules/home/theme/catppuccin/default.nix

@@ -300,6 +300,7 @@ in
             ];
 
             pointerCursor = mkIf pkgs.stdenv.hostPlatform.isLinux {
+              enable = true;
               inherit (config.khanelinix.theme.gtk.cursor) name package size;
             };
 

modules/home/theme/gtk/default.nix

@@ -110,6 +110,7 @@ in
               ]);
 
             pointerCursor = mkIf (cfg.cursor.name != null) (mkDefault {
+              enable = true;
               name = mkDefault cfg.cursor.name;
               package = mkDefault cfg.cursor.package;
               size = mkDefault cfg.cursor.size;

modules/home/theme/stylix/default.nix

@@ -250,6 +250,7 @@ in
       # Each theme sets their own pointerCursor.
       home = lib.mkIf (isLinux && !anyCuratedTheme) {
         pointerCursor = {
+          enable = true;
           inherit (cfg.cursor) name package size;
         };
       };