TimeInput doesn't trigger onChange for incomplete input values

[vbabich]

Description
Clear the TimeInput value by pressing backspace, start typing the new value. TimeInput doesn't trigger onChange unless the input value is a complete hh:mm:ss time. Should complete the value with trailing zeros and trigger onChange on every change or at least on blur. Otherwise, the parent state keeps the previous time and gets out of sync with the UI showing the new partial value.