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This should fix: #8011

using scrutinizer patch

using scrutinizer patch

Remove limit and offset manipulation when getting users or groups, because it does not work when more than one user or group backend. Fixing it would be too costly performancewise, so we switch back to the model used in OC 5: limit and offset are effective per backend, and not a general constraint

Due to our CSP policy this link won’t work as it it considered as
inline Javascript.

This commit replaces the link with a static link to the files app.

Reimplementation of #8067 - fixes #7742

Thanks @DeepDiver1975

This fixes some scrutinizer issues.

Some headers were currently only added to the templates but not to other components (e.g. SabreDAV / JSON / etc...)
The migration to base.php ensures that the headers are served to all requests passing base.php

Occuring in the admin interface

default to GET request when no method is set to fix unittests, also set parsed json parameters on the post attribute

Correctly process request parameters other than GET or POST, dont use globals in the class but inject it