add property to check if VM is up to date

Author: christianalfoni

src/sandbox.ts

@@ -111,6 +111,13 @@ export class SandboxSession extends Disposable {
     this.addDisposable(this.pitcherClient);
   }
 
+  /**
+   * Check if the VM process is up to date. To update a restart is required
+   */
+  get isUpToDate() {
+    return this.pitcherClient.isUpToDate();
+  }
+
   /**
    * The ID of the sandbox.
    */