Transaction Page: Changes are not stored

[TheAxelander]

Describe the bug
After assigning Transactions to Buckets and saving the changes, the data seem to be not stored to the database.

To Reproduce
Steps to reproduce the behavior:

1. Import a few Transactions
2. Go to Transaction page
3. Switch to Edit Mode and assign Transactions to Buckets
4. Save changes
5. Check Bucket Page or reload Transaction page