use URL instance to parse host from url

Client/src/Pages/Monitors/CreateMonitor/index.jsx

@@ -51,7 +51,7 @@ const CreateMonitor = () => {
         navigate("/not-found", {replace: true});
       }
       const {name, ...rest} = data;   //data.name is read-only
-      if(rest.type == 'http')  rest.url = rest.url.substring(8, rest.url.length)
+      if(rest.type === 'http')  rest.url = URL.parse(rest.url)?.host;
       rest.name = `${name} (Clone)`;
       rest.interval /= MS_PER_MINUTE;
       setMonitor({