Patterns & Extensions: Bulk select

update bulk select component to more compact design per [product request here](https://github.com/patternfly/react-component-groups/issues/818)

<img width="186" height="269" alt="Image" src="https://github.com/user-attachments/assets/a26dddce-e7a6-4b83-9440-33d9bbf1b32f" />