Office Online does not work with mobile browser/app

[martynasdabravalskis]

Describe the bug
Files cannot be opened when using a mobile brower/app. Only affects files with edit access. Download works.
Office online app gets disabled after several attempts.

To Reproduce
Steps to reproduce the behavior:
Open a file with edit rights on a mobile browser

Expected behavior
The file is opened in office online view

Actual behavior
You get a message: Sorry, we couldn't find the file
Office Online app also gets disabled if you try to open the file from mobile multiple times.

Client details:

• OS: Android
• Browser: chrome
• Version Android 12
• Device: Samsung Galaxy S9

Server details

Nextcloud version:
Nextcloud Hub 6 (27.1.3)
Version of the officeonline app
2.02

Logs

Nextcloud log

Exception: Call to a member function getFileid() on null in file '/var/www/nextcloud/apps/officeonline/lib/Middleware/WOPIMiddleware.php' line 77

OOS log

Client passed up a PostDataCookie parameter pdc281867236.
Client didn't send up cookie pdc281867236.
AccessToken is missing
Requested UI Culture '2057' is different from the fall back culture '1033'
Cannot create WOPI Proof Token - There's no access token!