[BUG][R] query parameters are not considered while making the request

Created by: Ramanth

Bug Report Checklist

• Have you provided a full/minimal spec to reproduce the issue?
• Have you validated the input using an OpenAPI validator (example)?
• What's the version of OpenAPI Generator used?
• Have you search for related issues/PRs?
• What's the actual output vs expected output?
• [Optional] Bounty to sponsor the fix (example)

Description

The query parameters are not being considered in the api calls.

openapi-generator version

latest from r_refactor branch (4.0.0)

OpenAPI declaration file content or url

Command line used for generation

java -jar openapi-generator-cli.jar generate --input-spec http://localhost:8000/xxxxxxxxxxx/xxx/xx -g r 
--output OutFolder --config config.json 

Steps to reproduce

hit any endpoint from the R client with few query parameters. The query params are not being included in the request.

Related issues/PRs

Not yet

Suggest a fix

currently in the api_client.mustache file the lines for the httr request are as below

current code

httr::POST(url, queryParams, headers, body = body, httr::content_type("application/json"), ...)

so the above should be modified to include the name of the parameter "query" for queryParams as below

fix

httr::POST(url, query = queryParams, headers, body = body, httr::content_type("application/json"), ...)

This shoule be done for other http methods like GET, PUT, DELETE..etc.,