fix: convert postman body in json

hrp/pkg/convert/from_postman.go

@@ -330,29 +330,17 @@ func (s *stepFromPostman) makeRequestBodyRaw(item *TItem) (err error) {
 		}
 	}()
 
-	// extract language type, default languageType: text
-	languageType := "text"
-	iOptions := item.Request.Body.Options
-	if iOptions != nil {
-		iLanguage := iOptions.(map[string]interface{})["raw"]
-		if iLanguage != nil {
-			languageType = iLanguage.(map[string]interface{})["language"].(string)
-		}
-	}
-
-	// make request body and indicate Content-Type
-	rawBody := item.Request.Body.Raw
-	if languageType == "json" {
+	s.Request.Body = item.Request.Body.Raw
+	contentType := s.Request.Headers["Content-Type"]
+	if strings.Contains(contentType, "application/json") {
 		var iBody interface{}
-		err = json.Unmarshal([]byte(rawBody), &iBody)
+		err = json.Unmarshal([]byte(item.Request.Body.Raw), &iBody)
 		if err != nil {
+			log.Warn().Err(err).Msg("33333")
 			return errors.Wrap(err, "make request body (raw -> json) failed")
 		}
 		s.Request.Body = iBody
-	} else {
-		s.Request.Body = rawBody
 	}
-	s.Request.Headers["Content-Type"] = contentTypeMap[languageType]
 	return
 }