33.0.9.1 Raw Images broken on media tab

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Steps to reproduce

1. Have raw images on nextcloud server (.dng in my case, iPhone shot raw images)
2. Browse media tab

Expected behaviour

Tell us what should happen
Prior to 33.0.9.1, raw images showed in the media tab with a properly configured photos (adding x-dcraw in the application.php) on the NC server and camera preview generateor app installed

Actual behaviour

Tell us what happens instead, if possible also add a screenshot
No raw images load, only .jpeg, .heic, etc.

Logs

N//A

If applicable, you can post the iOS app or server logs (removing any sensitive information).

Ios app 33.0.9.1, server 33.0.4

Reasoning or why should it be changed/implemented?

Environment data

iOS version: e.g. iOS 17.6.1
26.5
Nextcloud iOS app version: see More > Settings
33.0.9.2
Server operating system:
Ubuntu 24.04
Web server: Apache, nginx
Apache with HAProxy front end
Database:
Mariadb 12.3.2 (also tested mariadb 11.6.2 with the same issue before upgrading, since 12.3.2 is not recommended by NC)
PHP version:
8.5
Nextcloud version: see Nextcloud admin page
33.0.4