add Response-Headers to response for Call<T>

import androidx.annotation.NonNull;

import com.nextcloud.android.sso.aidl.NextcloudRequest;

import com.nextcloud.android.sso.api.AidlNetworkRequest;

import com.nextcloud.android.sso.api.NextcloudAPI;

import com.nextcloud.android.sso.exceptions.NextcloudHttpRequestFailedException;

import java.lang.reflect.Type;

import java.util.List;

import java.util.ArrayList;

import java.util.HashMap;

import java.util.Map;

import okhttp3.Headers;

import okhttp3.MediaType;

                    com.nextcloud.android.sso.api.Response response = nextcloudAPI.performNetworkRequestV2(nextcloudRequest);

                    T body = nextcloudAPI.convertStreamToTargetEntity(response.getBody(), resType);

                    return Response.success(body,

                        Headers.of((String[]) response.getPlainHeaders().stream().map(h -> List.of(h.getName(), h.getValue())).toArray())

                    );

                    Map<String, String> headerMap = new HashMap<>();

                    ArrayList<AidlNetworkRequest.PlainHeader> plainHeaders = response.getPlainHeaders();

                    if (plainHeaders != null) {

                        for (AidlNetworkRequest.PlainHeader header : plainHeaders) {

                            headerMap.put(header.getName(), header.getValue());

                        }

                    }

                    return Response.success(body, Headers.of(headerMap));

                } catch (NextcloudHttpRequestFailedException e) {

                    final Throwable cause = e.getCause();

                    return convertExceptionToResponse(e.getStatusCode(), cause == null ? e.getMessage() : cause.getMessage());