feat: [datafetcher] If several labels, get the first one

3 jobs for topic/default/fetchdata-several in 3 minutes and 27 seconds (queued for 10 seconds)
Status Name Job ID Coverage
  Deps
passed Deps #57311

00:01:19

 
  Lint
passed Lint #57312

00:00:36

 
  Build
passed CanBuild #57313

00:01:31