Update system and randomize MAC

Updated packages and their names
Fixed randomize mac address
Updated zen.nix to fix the config

system/network/default.nix

@@ -12,12 +12,16 @@
       enable = true;
       dns = "none";
       wifi.powersave = true;
-      randomMacAddress = true;
       plugins = with pkgs; [
         networkmanager-openvpn
       ];
     };
 
+    # MAC address randomization via wpa_supplicant
+    wireless.extraConfig = ''
+      mac_addr=1
+    '';
+
     useDHCP = false;
     dhcpcd.enable = false;
   };