Swiping down ANY amount closes image preview, even when zoomed in. #4181

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Steps to reproduce

1. Open a photo
2. Zoom in
3. Slide image down any amount

Expected behaviour

Image should stay open unless you scroll considerably enough past the top of the image.

Actual behaviour

Image closes even if most of the image is off the top of the screen. The image even closes if the swipe down was part of the pinch to zoom action.

Reasoning or why should it be changed/implemented?

The current behavior makes it impossible to zoom in on the top of the image. Even if I could get by without zooming, having the close action this insanely easy to trigger is infuriating.

Environment data

iOS version: iOS 26.5.2

Nextcloud iOS app version: 33.1.0.9

Server operating system: Linux

Web server: Apache

Database: MySQL

PHP version: 8.4.21

Nextcloud version: 32.0.3