Updater fixes

AppApi.cs

@@ -308,6 +308,7 @@ namespace VRCX
             Process VRCXProcess = new Process();
             VRCXProcess.StartInfo.FileName = Path.Combine(Program.BaseDirectory, "VRCX.exe");
             VRCXProcess.StartInfo.UseShellExecute = false;
+            VRCXProcess.StartInfo.Arguments = "/Upgrade";
             VRCXProcess.Start();
             Environment.Exit(0);
         }

html/src/app.js

@@ -19497,7 +19497,7 @@ speechSynthesis.getVoices();
             case -16:
                 if (this.downloadCurrent.ref.id === 'VRCXUpdate') {
                     if (this.downloadCurrent.autoInstall) {
-                        this.restartVRCX();
+                        workerTimers.setTimeout(() => this.restartVRCX(), 2000);
                     } else {
                         this.downloadDialog.visible = false;
                         this.pendingVRCXUpdate = this.downloadCurrent.ref.name;