new: add channel management

resources/views/Shop/Orders/partials/deliveries.blade.php

@@ -1,10 +1,20 @@
+@php
+    $defaultSaleChannelId = $customer['default_sale_channel_id'] ?? null;
+    $preselectedDeliveryId = old('delivery_id');
+
+    if (! $preselectedDeliveryId && $defaultSaleChannelId) {
+        $match = collect($deliveries)->firstWhere('sale_channel_id', $defaultSaleChannelId);
+        $preselectedDeliveryId = $match['id'] ?? null;
+    }
+@endphp
+
 @foreach ($deliveries as $delivery)
     <div class="row">
         <div class="col-1">
             @include('components.form.radios.icheck', [
                 'name' => 'delivery_id',
                 'val' => $delivery['id'],
-                'value' => (int) old('delivery_id') === $delivery['id'] ? $delivery['id'] : null,
+                'value' => $preselectedDeliveryId,
                 'id' => 'delivery_' . $delivery['id'],
                 'class' => 'delivery_mode' . ($delivery['at_house'] ? ' at_house' : ''),
             ])