Modal windows "create appointment", "edit appointment" or "Trash bin" cause an error "Maximum call stack size exceeded"

[JuliaKirschenheuter]

Steps to reproduce

1. Open modal window
2. Loading takes too long
3. See an error:

Error in nextTick: "RangeError: Maximum call stack size exceeded"
found in
---> <NcModal>

and

Maximum call stack size exceeded

Expected behavior

No error to expect

Actual behaviour

Modal window takes too long and opening cause an error

Calendar app version

3.5.1

CalDAV-clients used

No response

Browser

No response

Client operating system

No response

Server operating system

No response

Web server

No response

Database engine version

No response

PHP engine version

No response

Nextcloud version

No response

Updated from an older installed version or fresh install

No response

List of activated apps

No response

Nextcloud configuration

No response

Web server error log

No response

Log file

No response

Browser log

No response

Additional info

No response

[ChristophWurst]

nextcloud-libraries/nextcloud-vue#3386 nextcloud/nextcloud-focus-trap#2

[JuliaKirschenheuter]

Closing issue because of nextcloud-libraries/nextcloud-vue#3386 nextcloud/nextcloud-focus-trap#2