[Bug]: Tray icon shows green checkmark while sync is running in one account

### ⚠️ 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

With two active accounts the tray icon does not reflect an ongoing sync process.

### Steps to reproduce

1. Have two or more accounts
2. Change file in one account
3. While the file is synced the tray icon keeps the green check mark

### Expected behavior

The icon shows that a sync is active.

### Which files are affected by this bug

any

### Operating system

Windows

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

Windows 11

### Package

Official Windows MSI

### Nextcloud Server version

30.0.11

### Nextcloud Desktop Client version

3.16.6.65530

### Is this bug present after an update or on a fresh install?

Updated from a minor version (ex. 3.4.2 to 3.4.4)

### Are you using the Nextcloud Server Encryption module?

Encryption is Disabled

### Are you using an external user-backend?

- [ ] Default internal user-backend
- [ ] LDAP/ Active Directory
- [ ] SSO - SAML
- [ ] Other

### Nextcloud Server logs

```shell

```

### Additional info

_No response_

No affected file, test, or entry point is identified. Start by reproducing the two-account sync scenario on Windows and trace the desktop client's tray-status handling; done means the tray icon indicates an active sync whenever any account is syncing, with coverage for multiple accounts.

Written by the indexing model from the issue text.