Nextcloud 31.0.8 can't load PDF with only read permission

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Steps to reproduce

1.create a public share on a dfolder with dpf files:
2.open the public share
3.open the pdf file

Expected behaviour

the pdf should be viewed in the viewer

Actual behaviour

if i wantto be able to view or download the pdf i need to add the edit option

Server configuration

Web server: Apache/Nginx

Database: MySQL/Maria/SQLite/PostgreSQL

PHP version: 8.1/8.2/8.3

Nextcloud version: (see Nextcloud admin page)

List of activated apps

If you have access to your command line run e.g.:
sudo -u www-data php occ app:list
from within your Nextcloud installation folder

Nextcloud configuration

If you have access to your command line run e.g.:
sudo -u www-data php occ config:list system
from within your Nextcloud installation folder

Browser

Browser name: Firefox/Chrome/Safari/…

Browser version: 124/125/…

Operating system: Windows/Ubuntu/Mac/…

Browser log

Insert your browser log here, this could for example include:
a) The javascript console log
b) The network log
c) ...