message: fix(typeahead): dont throw error if latinize is off and no value for input
  fixes
diff: @@ -433,12 +433,12 @@ export class TypeaheadDirective implements OnInit, OnDestroy {
  }
  if (this._container) {
  - // This improves the speed as it won't have to be done for each list item
  - const normalizedQuery = (this.typeaheadLatinize
  + // fix: remove usage of ngControl internals
  + const _controlValue = (this.typeaheadLatinize
  ? latinize(this.ngControl.control.value)
  - : this.ngControl.control.value)
  - .toString()
  - .toLowerCase();
  + : this.ngControl.control.value) || '';
  + // This improves the speed as it won't have to be done for each list item
  + const normalizedQuery = _controlValue.toString().toLowerCase();
  this._container.query = this.typeaheadSingleWords
  ? tokenize(
  normalizedQuery,
  