delivery time accepting negative values

Describe the bug
the average time for food delivery is accepting negative values which it shouldn't at all

To Reproduce
Steps to reproduce the behavior:

Go to 'vendors'
Click on 'add restaurant'
Scroll down to 'registration form'>> Delivery time
See error
Expected behavior
input should be +ve and with a modulus of 60

Screenshots
image

Desktop (please complete the following information):

OS: Windows
Browser Chrome
Version 122.0.6261.95 (Official Build) (64-bit)

Start in Vendors by opening Add Restaurant and locating the registration form's Delivery time input. Reproduce the negative-value behavior in Chrome, then verify that the field accepts only positive values and follows the requested modulus-of-60 rule; the payload names no specific file or test to run.

Written by the indexing model from the issue text.