[Firefox] Calendar - Simple Event Editor - Position of window bad/no scrollbar

[ammann-enterprises]

Steps to reproduce

Nextcloud Version: 34.0.1
Browser: Firefox

1. In the calendar app, the simple event editor option in the settings under appearance has to be enabled.
2. Open week view
3. Create an event below the middle of the screen and you see that the buttons are below the bottom end of the screen
4. Also if you save an event and after that you click on it, the buttons for editing are below the bottom screen

In Edge it is working as it should.

Expected behavior

The simple editor window should spawn on the exact bottom edge like in Microsoft Edge/Chrome Browser.

Actual behavior

Calendar app version

6.5.0

CalDAV-clients used

No response

Browser

152.0.4

Client operating system

Windows 11

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