fixing encoding issue with \ for enroll command (#74379)

Author: EricDavisX

x-pack/plugins/ingest_manager/public/applications/ingest_manager/components/enrollment_instructions/manual/index.tsx

@@ -36,8 +36,8 @@ export const ManualInstructions: React.FunctionComponent<Props> = ({
 systemctl enable elastic-agent
 systemctl start elastic-agent`;
 
-  const windowsCommand = `.\elastic-agent enroll ${enrollArgs}
-./install-service-elastic-agent.ps1`;
+  const windowsCommand = `.\\elastic-agent enroll ${enrollArgs}
+.\\install-service-elastic-agent.ps1`;
 
   return (
     <>