Table Filter Overlay closes when using appendTo body

[denny99]

Describe the bug

The overlays of the constraint and operator dropdown causes the filter overlay to close when selecting a values.

Only if the overlayAppendTo is set to body in the primeng config.

Pull Request Link

#19370

Reason for not contributing a PR

• Lack of time
• Unsure how to implement the fix/feature
• Difficulty understanding the codebase
• Other

Other Reason

No response

Reproducer

https://stackblitz.com/edit/github-xbd4newb

Environment

Angular 21 and PrimeNG 21.

Angular version

21.1.1

PrimeNG version

v21

Node version

No response

Browser(s)

No response

Steps to reproduce the behavior

1. Open the filter of a column
2. Click the operator dropdown
3. Select or
4. Overlay closes completely

Expected behavior

Should stay open