sample: QuickInput Internal Test

This commit adds an internal test that create a QuickPick menu.

Signed-Off-By: FernandoAscencio <fernando.ascencio.cama@ericsson.com>

examples/api-samples/src/browser/menu/sample-menu-contribution.ts

@@ -61,6 +61,17 @@ export class SampleCommandContribution implements CommandContribution {
     protected readonly messageService: MessageService;
 
     registerCommands(commands: CommandRegistry): void {
+        commands.registerCommand({ id: 'create-quick-pick-sample', label: 'Internal QuickPick' }, {
+            execute: () => {
+                const pick = this.quickInputService.createQuickPick();
+                pick.items = [{ label: '1' }, { label: '2' }, { label: '3' }];
+                pick.onDidAccept(() => {
+                    console.log(`accepted: ${pick.selectedItems[0]?.label}`);
+                    pick.hide();
+                });
+                pick.show();
+            }
+        });
         commands.registerCommand(SampleCommand, {
             execute: () => {
                 alert('This is a sample command!');