Fixes ISSUE-45529: Add missing UI definition for Search Vector Reference

Merged Cristian Berner requested to merge cristian.berner/openbravo:fix/45529-searchvector into master

Search Vector reference was missing a UI Definition. It has been set to StringUIDefinition because there's no intent to use this in UI.

Related to MR: !88 (merged)

Try:

Waiting for results: https://builds.openbravo.com/view/try/job/try-init/527/

Edited by Cristian Berner