fix: merge qna settings from generated files in js runtime (microsoft…

…#3981)

* nodejs runtime: merge settings from generated files

* update bl version in yarn.lock to solve CVE-2020-8244

* fix CVE-2020-8244

* Revert "fix CVE-2020-8244"

This reverts commit fd78a757a9d4bcf9f420685e0517eceb120a8f0c.

* Revert "update bl version in yarn.lock to solve CVE-2020-8244"

This reverts commit d3e135d83ee55006256db60717fc1b0d93326e07.

Co-authored-by: Zichuan Ma <zim@microsoft.com>
Co-authored-by: Lu Han <32191031+luhan2017@users.noreply.github.com>

runtime/node/src/shared/helpers.ts

@@ -67,8 +67,8 @@ export const getSettings = (projectRoot = getProjectRoot()): BotSettings => {
     const generatedFiles = fs.readdirSync(generatedPath);
     for (const file of generatedFiles) {
       if (file.endsWith('.json')) {
-        const items = JSON.parse(fs.readFileSync(path.join(generatedPath, file), 'utf8'));
-        settings.luis = merge({}, settings.luis, items.luis); // merge luis settings
+        const generatedSettings = JSON.parse(fs.readFileSync(path.join(generatedPath, file), 'utf8'));
+        merge(settings, generatedSettings);
       }
     }
   }