Fix legacy RC hosting orders not appearing after app extraction.

Import RC service orders in hosting:import, map platform_id on legacy models, and wire legacy order manage links to hosting.legacy.show.

Co-authored-by: Cursor <cursoragent@cursor.com>

app/Models/HostingOrder.php

@@ -24,6 +24,7 @@ class HostingOrder extends Model
     public const TYPE_RESELLER = 'reseller';
 
     protected $fillable = [
+        'platform_id',
         'user_id',
         'domain_id',
         'domain_name',
@@ -40,6 +41,7 @@ class HostingOrder extends Model
         'expires_at',
         'provisioned_at',
         'meta',
+        'is_legacy_rc',
     ];
 
     protected $casts = [