Describe the bug
When I set bottomCalc when using frozen columns and groupBy, layout breaks for bottom calculation row while scrolling and when you close the group and open again.
Tabulator Info
Working Example
https://jsfiddle.net/akki_jat/x76ndg4m/16/
To Reproduce
A step by step guide to recreate the issue in your JS Fiddle or Codepen:
Expected behavior
bottomCalc layout should render correctly.
Screenshots

Desktop (please complete the following information):
Hey @akki-jat
Thanks for bringing that to my attention, and for the detailed issue, that was very helpful.
I will look to include a fix of this in one of the upcoming patch releases.
Cheers
Oli :)
Same for the topCalc
This has been resolved in the 4.6 release coming out later this weekend.
Cheers
Oli :)
Most helpful comment
Hey @akki-jat
Thanks for bringing that to my attention, and for the detailed issue, that was very helpful.
I will look to include a fix of this in one of the upcoming patch releases.
Cheers
Oli :)