Help button and menu option does nothing

- Application version: 1.5 RC8 AppImage
- Operating system: [Ubuntu, 20.04.3, 64 bits, 5.11.0-34-generic ]
- Issue occurrency: [always]

### Expected behaviour
Help button and menu option does something
### Current behaviour
Help button and menu option does nothing
#### Preconditions
App just started
### Logs

`Error: no DISPLAY environment variable specified`
