Bug - [Expandable section demo] - [Expandable text with character truncation demo is truncated incorrectly]

**Describe the problem**
This is an issue with 
- [ ] Patternfly 5  
- [x] Patternfly 6  
- [ ] other

https://staging.patternfly.org/components/expandable-section/react-demos 
Text section truncation should be limited to first 10 characters. 

**Any other information?**
Related change that effects this issue. https://github.com/patternfly/patternfly/pull/6737