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 at the Vendors area and the Add Restaurant registration form, locating the Delivery time input and its current validation. Reproduce the issue in Chrome, then verify that negative values are rejected and that the input follows the reported modulus-of-60 requirement.

Written by the indexing model from the issue text.