[Bug]: "Launch Nextcloud" checkbox on client upgrade doesnt work

### ⚠️ Before submitting, please verify the following: ⚠️

- [x] This is a **bug**, not a question or a configuration issue.
- [x] This issue is **not** already reported on Github (I've searched it).
- [x] Nextcloud Server and Desktop Client are **up to date**. See [Server Maintenance and Release Schedule](https://github.com/nextcloud/server/wiki/Maintenance-and-Release-Schedule) and [Desktop Releases](https://nextcloud.com/install/#install-clients) for supported versions.
- [x] I agree to follow Nextcloud's [Code of Conduct](https://nextcloud.com/contribute/code-of-conduct/)

### Bug description


followed by


### Steps to reproduce

1. Install an update
2. Uncheck the box, so the client is (should) not launch
3. Client is launched after clicking "No" in the last screen

### Expected behavior

Client is not launched

### Which files are affected by this bug

Interface

### Operating system

Windows

### Which version of the operating system you are running.

Tested Windows 10 and 11

### Package

Official Windows MSI

### Nextcloud Server version

30.0.7

### Nextcloud Desktop Client version

3.16.2