Log extension host commands (#15721)

* Log extension host commands

* Add more comments

src/sql/workbench/contrib/telemetry/common/telemetry.contribution.ts

@@ -35,6 +35,7 @@ export class SqlTelemetryContribution extends Disposable implements IWorkbenchCo
 						// Events from src\vs\editor\contrib\wordOperations\wordOperations.ts
 						!e.commandId.startsWith('cursor') &&
 						!e.commandId.startsWith('_vscode_delegate')) {
+						// Note - this event is duplicated in extHostCommands to also ensure logging of all commands contributed by extensions
 						telemetryService.sendActionEvent(TelemetryView.Shell, TelemetryAction.adsCommandExecuted, e.commandId);
 					}
 				}));