For time picker module Error issues

[gautam-mali]

When entering a invalid value into one field while entering an valid value into another box in the time picker module, an error for for "invalid Time" has disappear.

expected result :
it should display error with red border box till user not enter the valid time value

for reference : https://stackblitz.com/edit/so-angular-ngx-timepicker?file=src%2Fapp%2Fapp.component.html