Updating DBeaver when installed as a snap package creates two independent versions of DBeaver

#### System information:
- Operating system (distribution) and version: Ubuntu 20.04
- DBeaver version: 7.3.1

#### Describe the problem you're observing:
I installed dbeaver-ce through Ubuntu Software, which installed the snap package. When I got a notification that a new version is available, I clicked on the the update button which conveniently downloaded a deb package file, but after that I ended up with two versions of dbeaver, one from the snap package, and the other one as a standalone package.