Enable Chat Functionality for rider after the order has been pick by them for Enatega Multivendor Rider App

Describe the bug
Currently, the enatega multivendor rider app allow the rider to chat with the customer even before picking the order that should not be allowed.

To Reproduce

Assign an order to a rider.
Verify that the rider have the option to start a chat with the customer.
Expected behavior

Once a rider picks up an order, they should have the option to initiate a chat with the customer.
The chat functionality should be disabled for the rider when the order is only assigned to them but not yet picked up.
Screenshots

screen-20240315-141352.mp4
Smartphone (please complete the following information):

Device: IOS & Android.

Start by tracing the rider app's chat option and the order state used after assignment and pickup. Reproduce the assigned-order case on iOS or Android, then verify that chat is unavailable before pickup and available after pickup.

Written by the indexing model from the issue text.