Currently when no position, width or height values are passed to the lookup widget the default values are set/harcoded in fieldlookup.js. This can be decoupled using properties in widget.properties. It then allows to set these default values in custom projects where the OOTB don't fit.
Inspired by Nicolas's recent work on modal-layer windows
- is related to
OFBIZ-6164 Improve configurability of OFBiz