fix prop validation and refactor placeholder logic

• Fix typo in placeholderRednerField → placeholderRenderField
• Validate converterField as string type

Ticket: RED-452 - Erreur OWL redner V17

added 1 commit

• bea2d255368c - Added tag 17.0.1.5.0 for changeset 5f6c4cb70c0e

Compare with previous version

enabled an automatic merge when all merge checks for bea2d255368c pass

merged