Chat is pushed to the right when opening viewer

[SystemKeeper]

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Steps to reproduce

1. Have a picture in chat
2. Have bubble style set
3. Open an image

Actual behaviour

The chat is pushed to the right side. Could be a viewer issue of course, not sure.

Bildschirmaufnahme.2026-01-27.um.21.47.09.mov

Talk app

Talk app version: stable33

[nickvergessen]

Regression from files lib bump.
The chat used to be fully visible in the background and the viewer only covered the main area

[Antreesy]

Coming from Viewer: nextcloud/viewer#3047