Fixing the checked variable in radio buttons (#13909)

* Fixing the checked variable in radio buttons

* Emitting the checked state of radio button.

* Adding onChanged event to radioButtons (exposing it)
Deprecating onClick event for radioButtons
Fixing radio button stubs

* Made some type fixes

* Firing event in checked event setter

* updating azdata-test to 1.1 in arc extension

* Some logic fixes in checked setter

* added proper typings and updated package version for azdata-data

* Renamed the event to onDidChangeCheckedState

* Fixed deprecation message

* Fixed broken Schema compare stubs

extensions/arc/package.json

@@ -1076,7 +1076,7 @@
     "@types/sinon": "^9.0.4",
     "@types/uuid": "^8.3.0",
     "@types/yamljs": "^0.2.31",
-    "azdata-test": "^1.0.0",
+    "azdata-test": "^1.1.1",
     "mocha": "^5.2.0",
     "mocha-junit-reporter": "^1.17.0",
     "mocha-multi-reporters": "^1.1.7",