Consume core updates: Masthead and Navigation

Implement core updates to [Masthead and Navigation](https://github.com/patternfly/patternfly/issues/5712) 
```[tasklist]
### Tasks
- [ ] https://github.com/patternfly/patternfly-react/issues/9809
- [ ] https://github.com/patternfly/patternfly-react/issues/9943
```
