12985 dropdown nested question findings (#21472)

* Misc

* Add missing properties in Parameter

* Add missing React keys in DashCard

* field.id condition updated for DefaultPicker

* Test for retrieving field using resultMetadata from Dimension

* ParameterValueWidget.getFieldIds to return `number` only as per API expectation

* CSSTransitionGroup group tagging updated

* QuestionPicker no items tagging removed

* Field ids filtering removed

* Filtering field ids added back

* Removed single use 1 line method formatDateTime
  return formatDateTimeWithUnit(value, "minute", options);

* Misc comment

* Misc

* Dimension updated with types / misc

* ExpressionDimension tests updated to cater for field() method with and without metadata

* Empty commit to re-run CI

* Improved fallback position for base_type

* Empty commit to re-run CI