[TASK] Remove legacy code
Merge pull request #389 from hmspl/legacy

[TASK] Remove legacy code
[TASK] Adjust class alias map and add new migrations
[TASK] Remove legacy code
Merge pull request #391 from hmspl/legacy

[TASK] Remove legacy code
[BUGFIX] Fixed d&d moving after
Merge pull request #390 from hmspl/move

[BUGFIX] Fixed d&d moving after