Frozen on safari rtl disappearing

[gabriel-site123]

Describe the bug
When using Tabulator with RTL direction and frozen columns, the frozen columns disappearing when scrolling down.

Tabulator Info
Version 6.3.1

Working Example
Link:
https://jsfiddle.net/gabrielSite123/zvrspgo5/21/

Video:
https://github.com/user-attachments/assets/a53aa26b-b7a1-4c25-b004-0b7b26e14ec4

Desktop (please complete the following information):

• OS: Sequoia 15.6.1
• Browser Safari
• Version 18.6