fix: response body decoding as assc array but it shouldn't

Author: abdul-kaioum

src/Http/Request/Request.php

@@ -200,7 +200,7 @@ public function validate($rules, $messages = null, $attributeLabels = null)
             $response = [
                 'status' => 'error',
                 'code'   => 'VALIDATION',
-                'data'   => $validator->errors()
+                'data'   => $validator->errors(),
             ];
 
             wp_send_json($response, 422);
@@ -239,7 +239,7 @@ private function setBody($body = [])
                 strpos($this->contentType(), 'form-data')                === false
                 && strpos($this->contentType(), 'x-www-form-urlencoded') === false
             ) {
-                $this->_body = JSON::maybeDecode(file_get_contents('php://input'), true);
+                $this->_body = JSON::maybeDecode(file_get_contents('php://input'));
             }
 
             $this->_body = (array) $this->_body + (array) $_POST;