GODT-1837: Fix restart.

GOTD-1837: added wait flag.
GODT-1837: strip --wait flag from launcher command-line.
GODT-1837: hide main window before restart.

internal/app/base/restart.go

@@ -42,6 +42,8 @@ func (b *Base) restartApp(crash bool) error {
 		args = forceLauncherFlag(args, b.launcher)
 	}
 
+	args = append(args, "--wait")
+
 	logrus.
 		WithField("command", b.command).
 		WithField("args", args).