Update vscode-nls in notebook and samples, plus fix samples compilation (#4203)

- Upate vscode-nls to 4.0.0 in notebook extension. Should be fix for Insiders build failure due to localization package failing
- Updated samples to remove as vscode-nls if not needed, or update if still needed
- Updated samples using `npm audit fix`
- Fixed compile errors in all the samples

samples/serverReports/package.json

@@ -6,7 +6,7 @@
     "publisher": "Microsoft",
     "preview": true,
     "engines": {
-        "vscode": "^1.17.0",
+        "vscode": "^1.26.0",
         "sqlops": "*"
     },
     "icon": "images/sqlserver.png",