corrected download link for dev challenges

Author: shubhendusaurabh

src/shared/components/challenge-detail/Winners/index.jsx

@@ -78,8 +78,7 @@ export default function Winners(props) {
                   <a
                     styleName="download"
                     target="_blank"
-                    href={`${config.URL.STUDIO}/` +
-                          `?module=DownloadSubmission&sbmid=${submissionId}`}
+                    href={isDesign ? `${config.URL.STUDIO}/?module=DownloadSubmission&sbmid=${submissionId}` : w.submissionDownloadLink}
                   >Download</a>
                 }
                 <div styleName="date">