Consume core updates: Page and Login Page

[andrew-ronaldson]

Follow up to Core work on Page & login components

### Tasks
- [ ] https://github.com/patternfly/patternfly-react/issues/9808
- [ ] https://github.com/patternfly/patternfly-react/issues/9845

[evwilkin]

Closed by #9808 and #9845