Plugins page empty, in Homemanager app plugins can be installed and are working
**Description**
When opening Plugins page in webbrowser (cache already emptied..) there is only "Installed plugins" in Headline but screen is empty.
Can't do anything in this page.

By using Homemanager app on IPhone, i can install anything i need. But not on Web-Frontend...

**Version**
3.2.1

**Did you upgrade**
Please let us know if you upgraded from a previous version.
- [ ] Yes
- [ x ] No



**What device are you using?**
Please let us know the device you are running HOOBS on.
- [ ] HOOBS Box
- [ ] HOOBS SD Card
- [ x ] Custom Install

**If this is a custom install, what's your operating system?**
Please let us know what operating system and version you are using. Ex. Fedora 30 or macOS Catalina.

**List your plugins**
Please include a list of the plugins you are using. We need to be able to find it on NPM. If the plugin is no published, please include a link to the repository.

Homepilot
Fritzbox

**Post your config**
This can be found in the interface, Configuration -> Advanced or you can get it via SSH `cat ~/.hoobs/etc/config.json`

* Remove any passwords from the config file. This is public.

```
POST CONFIG HERE
```

**Post your log**
You can get the log from the intercafe. This is in the Log section.

```
POST LOG HERE
```

**Additional context**
Add any other context about the problem here.
