refactor(openai): Improve data handling and response creation

- Append additional data to rowData
- Refactor response creation logic for empty body

Author: ityaozm@gmail.com

app/Support/OpenAI.php

@@ -251,6 +251,8 @@ static function (PendingRequest $pendingRequest) use (&$rowData, $writer): Pendi
                                 //     $rowData = $sanitizeData;
                                 // }
 
+                                $rowData .= $data;
+
                                 $writer($data, $ch);
 
                                 return \strlen($data);
@@ -304,9 +306,7 @@ static function (PendingRequest $pendingRequest) use (&$rowData, $writer): Pendi
 ;
 
         if ($rowData && empty($response->body())) {
-            $response = new Response(
-                $response->toPsrResponse()->withBody(Utils::streamFor(self::sanitizeData($rowData)))
-            );
+            $response = new Response($response->toPsrResponse()->withBody(Utils::streamFor(($rowData))));
         }
 
         return $response->throw();