[Postman-to-k6] does not change the Content-type

I have changed the header content-type = application/json in Postman, however that is not reflecting in the headers when I run the k6 run --out csv=test_results.csv k6-script.js --http-debug=“full”.

Request

INFO[0004] Request:
POST /graphql HTTP/1.1
Host: api.beta.detail-page.journeys.a2z.com
User-Agent: k6/0.40.0 (https://k6.io/)
Content-Length: 354
Authorization: AWS4-HMAC-SHA256 Credential=ASIAVGC47R5TZOZXHHNM/20221025/us-west-2/execute-api/aws4_request, SignedHeaders=content-length;content-type;host;x-amz-date;x-amz-security-token, Signature=9dceffc3e3376fd6f9b860025ce9a82454f740bd189ffa8da3c0a6d8d83e230f
Content-Type: application/x-www-form-urlencoded; charset=utf-8
Identitytoken: eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6ImI3NTdjZDA2ZjQ3ZjMyYjM5NDUyMGYzZDQwOWNlNDJkIn0.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.P_UxpzSb45tScG1nPi6_YoSAMpY-_nulESh3EoO88LmqCGqWDZrwYh9K6RJfFaek3UqPRXgYiFNIFhDXUoMQq4k_fYs5niSCx2Un9BH8qxOwT43bf0qNiza9h30NokEr_AT2xFyNry15BNd9HMYFlRhK99k_dBicNxwu-jH6qvPfbsxCf0zOgHfYyuJgibegPNiUUDSRpzaOO5vP6mZm3nkh4pdQmLFXzInf4Yvd_N-h_78sXv4CCVKgb9EmA6WZupN0Y7hk-vNDZqaSYNGiaDreeaMPl10vGghch50pq8bcpkTGh5JnsqUKgJeGjHmcN9ikiglBS7UIGWCr0ZcyOw
X-Amz-Date: 20221025T200827Z
X-Amz-Security-Token: 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
Accept-Encoding: gzip


INFO[0004] Response:
HTTP/2.0 500 Internal Server Error
Content-Length: 61
Access-Control-Allow-Origin: *
Content-Type: text/html; charset=utf-8
Date: Tue, 25 Oct 2022 20:08:27 GMT
Etag: W/"3d-hTSca7jJI4XwK3C0Li5aF8JIkvc"
X-Amz-Apigw-Id: ak9JUEu-PHcFefQ=
X-Amzn-Remapped-Connection: close
X-Amzn-Remapped-Content-Length: 61
X-Amzn-Remapped-Date: Tue, 25 Oct 2022 20:08:27 GMT
X-Amzn-Requestid: bee58104-704c-4cb0-9ec4-399e6f69450d
X-Amzn-Trace-Id: Root=1-6358423b-5dc39ed81536364944f6bd11
X-Powered-By: Express

POST body missing. Did you forget use body-parser middleware?  group= iter=0 request_id=ad10989c-1023-46c9-5f34-e381a7d5795b scenario=default source=http-debug vu=1