Steps to reproduce
1.configure file access control flow in administrator page, and add operation block access if " file MIMETYPE does not match '*video*'"

2.upload demo.m4v file

Expected behaviour
The upload should success
Actual behaviour
The upload failed with 403 "Access denied"
Notes:
- mp4 files can be uploaded and after removing the access control workflow, upload m4v file succeeded.
- Nextcloud and all apps are updated to latest version.