Merge from vscode a5cf1da01d5db3d2557132be8d30f89c38019f6c (#8525)

* Merge from vscode a5cf1da01d5db3d2557132be8d30f89c38019f6c

* remove files we don't want

* fix hygiene

* update distro

* update distro

* fix hygiene

* fix strict nulls

* distro

* distro

* fix tests

* fix tests

* add another edit

* fix viewlet icon

* fix azure dialog

* fix some padding

* fix more padding issues

extensions/cms/package.json

@@ -633,7 +633,7 @@
   },
   "devDependencies": {
     "@types/mocha": "^5.2.5",
-    "@types/node": "^10.14.8",
+    "@types/node": "^12.11.7",
     "mocha-junit-reporter": "^1.17.0",
     "mocha-multi-reporters": "^1.1.7",
     "mocha": "^5.2.0",