Add persistence and connect dialog to Arc view (#11014)

* Add controller persistence and info prompting

* more stuff

* clean up

* Add arc tests to scripts

extensions/arc/src/constants.ts

@@ -5,6 +5,8 @@
 
 import * as vscode from 'vscode';
 
+export const refreshActionId = 'arc.refresh';
+
 export interface IconPath {
 	dark: string;
 	light: string;