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

src/sql/azdata.d.ts

@@ -3495,6 +3495,7 @@ declare module 'azdata' {
 
 	export interface RadioButtonComponent extends Component, RadioButtonProperties {
 		/**
+		 * @deprecated use onDidChangeCheckedState event instead
 		 * An event called when the radio button is clicked
 		 */
 		onDidClick: vscode.Event<any>;