[scan report] Support markdown, cleanup, add tests (#362)

* [scan report] Support markdown, cleanup, add tests

* Add test for the map walker

Author: pvdz

src/commands/scan/cmd-scan-report.ts

@@ -134,7 +134,7 @@ async function run(
     orgSlug,
     fullScanId,
     includeLicensePolicy: false, // !!license,
-    includeSecurityPolicy: !!security,
+    includeSecurityPolicy: typeof security === 'boolean' ? security : true,
     outputKind: json ? 'json' : markdown ? 'markdown' : 'text',
     filePath: file,
     fold: fold as 'none' | 'file' | 'pkg' | 'version',