fix(endpoint handler): fix endpoint address(url) parsing EE-3081] (#7408)

fix address validation when creating agent endpoint

app/portainer/environments/environment.service/create.ts

@@ -130,7 +130,7 @@ export async function createRemoteEnvironment({
 }: CreateRemoteEnvironment) {
   return createEnvironment(name, creationType, {
     ...options,
-    url: `tcp://${url}`,
+    url: `${url}`,
   });
 }