datahub: elasticsearch-setup operation is not compatible with es 6.x or 7.x version

Describe the bug

When I start the elasticsearch-setup container, Something is wrong with ES v7.7.1:

{"error":"Content-Type header [application/x-www-form-urlencoded] is not supported","status":406}

When I add the Content-Type header, The following exception is reported:

dev@docker-build-1:/opt/datahub/docker/elasticsearch$ curl -sS -XPUT 10.191.7.1:9200/corpuserinfodocument -H 'Content-Type: Application/JSON' --data @corpuser-index-config.json | jq .
{
  "error": {
    "root_cause": [
      {
        "type": "mapper_parsing_exception",
        "reason": "Root mapping definition has unsupported parameters:  [doc : {properties={skills={type=text}, urn={normalizer=custom_normalizer, type=keyword}, teams={type=text}, ldap={analyzer=lowercase_keyword, type=text, fields={ngram={analyzer=delimit_edgengram, type=text}}}, managerLdap={analyzer=lowercase_keyword, type=text, fields={ngram={analyzer=delimit_edgengram, type=text}}}, active={type=boolean}, fullName={type=text, fields={ngram={analyzer=delimit_edgengram, type=text}}}, title={normalizer=custom_normalizer, type=keyword}, aboutMe={type=text}}}]"
      }
    ],
    "type": "mapper_parsing_exception",
    "reason": "Failed to parse mapping [_doc]: Root mapping definition has unsupported parameters:  [doc : {properties={skills={type=text}, urn={normalizer=custom_normalizer, type=keyword}, teams={type=text}, ldap={analyzer=lowercase_keyword, type=text, fields={ngram={analyzer=delimit_edgengram, type=text}}}, managerLdap={analyzer=lowercase_keyword, type=text, fields={ngram={analyzer=delimit_edgengram, type=text}}}, active={type=boolean}, fullName={type=text, fields={ngram={analyzer=delimit_edgengram, type=text}}}, title={normalizer=custom_normalizer, type=keyword}, aboutMe={type=text}}}]",
    "caused_by": {
      "type": "mapper_parsing_exception",
      "reason": "Root mapping definition has unsupported parameters:  [doc : {properties={skills={type=text}, urn={normalizer=custom_normalizer, type=keyword}, teams={type=text}, ldap={analyzer=lowercase_keyword, type=text, fields={ngram={analyzer=delimit_edgengram, type=text}}}, managerLdap={analyzer=lowercase_keyword, type=text, fields={ngram={analyzer=delimit_edgengram, type=text}}}, active={type=boolean}, fullName={type=text, fields={ngram={analyzer=delimit_edgengram, type=text}}}, title={normalizer=custom_normalizer, type=keyword}, aboutMe={type=text}}}]"
    }
  },
  "status": 400
}