feat(sale): implement modifications filtering and validation for admin sales

app/Domains/Sale/Requests/AdminAppSaleModificationIndexRequest.php

@@ -0,0 +1,16 @@
+<?php
+
+namespace App\Domains\Sale\Requests;
+
+class AdminAppSaleModificationIndexRequest extends AdminAppSaleIndexRequest
+{
+    /** @return array<string, list<string>> */
+    public function rules(): array
+    {
+        $rules = parent::rules();
+
+        unset($rules['sort_by'], $rules['sort_direction']);
+
+        return $rules;
+    }
+}