Fix: Authority delegation error when input an empty date range #15637

Description

Resolves #15630

This PR adds validator to delegation date range control

Checklist

I fully tested it as developer / designer and created unit / integration tests
I've assigned reviewer, related labels and set a milestone for this PR

How to test it?

You can use dev app or copy-to:app-pro script

Version

Release Date

13 novembro, 2023

Labels