fix: download button downloads index.html instead of spec with CLI

fixes #594

Author: RomanHotsiy

src/components/ApiInfo/ApiInfo.tsx

@@ -81,7 +81,7 @@ export class ApiInfo extends React.Component<ApiInfoProps> {
               <DownloadButton
                 download={downloadFilename}
                 target="_blank"
-                href={downloadLink || '#'}
+                href={downloadLink}
                 onClick={this.handleDownloadClick}
               >
                 Download

src/components/ApiInfo/styled.elements.ts

@@ -20,6 +20,7 @@ export const DownloadButton = styled.a`
   padding: 4px 8px 4px;
   display: inline-block;
   text-decoration: none;
+  cursor: pointer;
 
   ${extensionsHook('DownloadButton')};
 `;