Accepted status not displaying correctly in calendar grid

[GVodyanov]

Steps to reproduce

1. Be invited to an event
2. Accept invitation
3. Calendar grid still shows white background as if unaccepted

@alexanderdd

Expected behavior

Color should be filled in

Actual behavior

Background color

Calendar app version

No response

CalDAV-clients used

No response

Browser

No response

Client operating system

No response

Server operating system

No response

Web server

None

Database engine version

None

PHP engine version

None

Nextcloud version

No response

Updated from an older installed version or fresh install

None

List of activated apps

Nextcloud configuration

Web server error log

Log file

Browser log

Additional info

No response

[GVodyanov]

The event has to repeat and have modifications, and only the modified series is accepted

[alexanderdd]

@GVodyanov let me know what info you need and I will add it