Primeng: PickList filterBy only uses first entry in comma separated entries.

[bogacg]

[ X] bug report => Search github for a similar issue or PR before submitting
[ ] feature request => Please check if request is not on the roadmap already https://github.com/primefaces/primeng/wiki/Roadmap
[ ] support request => Please do not submit support request here, instead see http://forum.primefaces.org/viewforum.php?f=35

Current behavior
PickList with multiple property names in filterBy (separated by comma) only takes account first one.

Expected behavior
Each entry in filterBy to be used for filtering.

• Angular version: 7.2.0
  

• PrimeNG version: 7.0.4
  

[vipatel03]

✅ Confirmed:
PickList filterBy only uses first entry in comma separated entries:

Minimal-Stackblitz:
Editor: https://stackblitz.com/edit/angular-primeng-hzh4vj
Preview: https://angular-primeng-hzh4vj.stackblitz.io

[eduardo704]

Remove the spaces between the fields

[cagataycivici]

Should be a comma separated list.