Undo or "Ctrl + Z" doesn't work in Data Editor

#### System information:
- Operating system (distribution) and version Ubuntu 20.04
- DBeaver version 21.1.0

#### Connection specification:
- Database name and version MariaDB

#### Steps to reproduce, if exist:
1. Type anything in a cell
2. Press `ctrl + Z` or click `Edit > Undo`

**Expected:** Changes are undone
**Actual:** Nothing happens. Undo button in in "Edit" menu is inactive.

Also on Windows Ctrl+Z works, but Undo button in Edit menu is inactive too.

#### Include any warning/errors/backtraces from the logs