The content of grouped `<wa-details>` overflows container when opening.

[roydukkey]

Describe the bug

The content of details appears outside of the container during the opening animation.

To Reproduce

Steps to reproduce the behavior:

1. Go to https://webawesome.com/docs/components/details/#grouping-details
2. Click on "Section 2" in the Grouping Details example
3. Notice that content of "Section 2" overflowing its bordered container when opening

Demo

This issue can be seen on the current 3.0.0-beta.2 site.

Screenshots

Screen.Recording.2025-07-08.at.10.31.19.mov

Browser / OS

macOs 15.5 (24F74)
Brave 1.80.115 (Official Build) (arm64)
Chromium: 138.0.7204.97