Bugfix: Moves in folder sync connections where executed as a delete and upload

We fixed a bug where moves in folder sync connections where executed
as a delete and upload.

https://github.com/owncloud/client/issues/7838
https://github.com/owncloud/enterprise/issues/4428
https://github.com/owncloud/client/pull/8453
https://github.com/owncloud/client/pull/8456
https://github.com/owncloud/client/pull/8459
