Newline as a seperator when displaying IPv4 and 6 at the same time

Author: voiceroy

src/modules/network.cpp

@@ -331,7 +331,7 @@ auto waybar::modules::Network::update() -> void {
     final_ipaddr_ = ipaddr6_;
   } else if (addr_pref_ == ip_addr_pref::IPV4_6) {
     final_ipaddr_ = ipaddr_;
-    final_ipaddr_ += " | ";
+    final_ipaddr_ += "\n";
     final_ipaddr_ += ipaddr6_;
   }