server-side-decryption fails when recovering files in groupfolders

[mahibi]

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Steps to reproduce

1. delete a file in a groupfolder
2. create a file at the same place with the same filename
3. recover deleted file

also reproduced by @artonge

Expected behaviour

decryption works fine when recovering file from bin

Actual behaviour

the recover-function changes the filename of the recovered file and in this moment decryption doesn't work anymore.

Server configuration

Nextcloud version: (see Nextcloud admin page)
29.0.7

Group folders version:
17.0.3

[provokateurin]

If already reproduced then no need to triage anymore