message: Prevent 'undefined' appearing as current value in stroing field
diff: @@ -1172,7 +1172,7 @@ forms.makeDescription = function (
  callbackFunction
  ) {
  const group = dom.createElement('div')
  - const desc = kb.anyJS(subject, predicate, null, store)
  + const desc = kb.anyJS(subject, predicate, null, store) || ''
  const field = dom.createElement('textarea')
  group.appendChild(field)
  