Time Picker should accept a null "value"

When using a time picker that is connected to a dataset field of type “time”, WIX code SDK throws the following error when the field is empty:
Wix code SDK error: The value of value parameter that is passed to the value method cannot be set to the value . Bad format, must be HH:MM, HH:MM:SS, or HH:MM:SS.mmm format.