Fixed nerd font import

modules/users/modules/theming/fonts/nerd-fonts-symbols.nix

@@ -2,7 +2,7 @@
 
 {
   name = "Symbols Nerd Font Mono";
-  package = pkgs.nerdfonts.override { fonts = [ "NerdFontsSymbolsOnly" ]; };
+  package = pkgs.nerd-fonts.symbols-only;
   recommendedSize = 12;
   fallbackFonts = [ ];
 }