Edit app\Http\Controllers\Datatables\CustomersDatatable.php
and replace below code
$users = User::role('Customer')->with('wallet');
with
if(auth()->user()->hasRole('Admin')) {
$users = User::role('Customer')->with('wallet');
} else {
$users = User::role('Customer')->whereHas('orders.restaurant', function($q) {
$q->where('zone_id', auth()->user()->zone_id);
})->with('wallet');
}
