That's the .desktop file. You can right click on it, and open with Pluma to navigate through the settings.
Check in your home folder first, under ~.config or .Cloudstation (which won't run into permissions issues). There should be a similar instance that you can use.
Either way, you can add a custom application launcher to your main panel (right click & add) and link it to that file. If you need an icon, you can also navigate and use anything you'd like. The PNG should be the same for both app and tray.
When you use non-repo programs, expect the possibility of some behavioral nuances.