[MM-19640] Retrieve Compliance files from the System Console (#14976)

* add query param for downloading file

* Address PR comments

* sanitize error messages

* revert error santization

* address PR comments

* Log Error

* Comment for clarification

* Add test + Opt In Option

* Fix typo

* Remove line number

* Check is downloadable in server

* Don't use constants

* Check for downloadExportResults in API

* make actiance export zip

* make i18n strings

* Remove translations

* Add translations

* Revert "Add translations"

This reverts commit adc5d28b3e7712f51cd3eff565e30fb8ddfd6f65.

Co-authored-by: Mattermod <mattermod@users.noreply.github.com>

model/client4.go

@@ -4698,6 +4698,21 @@ func (c *Client4) CancelJob(jobId string) (bool, *Response) {
 	return CheckStatusOK(r), BuildResponse(r)
 }
 
+// DownloadJob downloads the results of the job
+func (c *Client4) DownloadJob(jobId string) ([]byte, *Response) {
+	r, appErr := c.DoApiGet(c.GetJobsRoute()+fmt.Sprintf("/%v/download", jobId), "")
+	if appErr != nil {
+		return nil, BuildErrorResponse(r, appErr)
+	}
+	defer closeBody(r)
+
+	data, err := ioutil.ReadAll(r.Body)
+	if err != nil {
+		return nil, BuildErrorResponse(r, NewAppError("GetFile", "model.client.read_job_result_file.app_error", nil, err.Error(), r.StatusCode))
+	}
+	return data, BuildResponse(r)
+}
+
 // Roles Section
 
 // GetRole gets a single role by ID.