refactor: Set low fidelity image understanding

Author: ssum1ra

server/src/common/services/openai/openai.service.ts

@@ -89,6 +89,7 @@ export class OpenAIService {
                 type: 'image_url',
                 image_url: {
                   url: url,
+                  detail: 'low',
                 },
               },
             ],