Nextcloud Office: Cross-Origin-Opener-Policy breaks other nextcloud apps

[droogi]

Describe the bug
enabling Nextcloud Office breaks other nextcloud apps

To Reproduce
Steps to reproduce the behavior:

1. Enable Nextcloud Office 8.5.1
2. Click on maps or memories
3. maps: tiles are not loaded, memories: preview is not displayed, pictures are not loaded

Expected behavior
Other nextcloud apps should work

Screenshots

• e.g no preview in memories

• e.g no tiles in maps

Client details:

• OS: windows 11, android, android memories app
• Firefox 131, Edge 129
• Device: desktop, android, nextcloud apps

Server details

Operating system: dietpi 9.7

Web server: nginx 1.22.1

Database: MariaDB

PHP version: PHP 8.2.24

Nextcloud version: 29 & 30

Version of the richdocuments app: Nextcloud Office 8.5.1

Browser log

mistakes:

    The source list for the Content Security Policy directive 'connect-src' contains an invalid source: '://'. It will be ignored.

    c.tile.openstreetmap.org/11/1086/692.png:1

        GET https://c.tile.openstreetmap.org/11/1086/692.png net::ERR_BLOCKED_BY_RESPONSE.NotSameOriginAfterDefaultedToSameOriginByCoep 200 (OK)

Hit F12 to open developer tools, switch to Network tab, reload page with F5. At the top of the request list, select maps/, then select "Headers" tab in the newly opened frame.

Cross-Origin-Embedder-Policy: require-corp
Cross-Origin-Opener Policy: same-origin

Discovery and possible root cause

discovery
possible root cause with explanation by MichaIng
same? failure was mentioned [here] (#3260)