Enatega Customer App: Time mentioned on delivery screen should change in real time

Describe the bug
Time mentioned on delivery screen should change in real time as time past for the food delivery it isn't change until user go back to main page or reopen the app
To Reproduce
Steps to reproduce the behavior:

Go to Enatega Customer Application
Place an order, select a delivery time from restaurant
Now see the time on customer app the time isn't changing it keep showing the same minutes left.

Expected behavior
The time left for delivery should decrease continuously as time progresses.

Start by reproducing the issue in the Enatega Customer Application: place an order with a delivery time and watch the delivery screen without leaving or reopening the app. Trace the delivery-time display and its refresh behavior, then verify that the remaining time decreases continuously while the screen stays open.

Written by the indexing model from the issue text.