The sub-header is intended to provide additional space below the actual header

### Acceptance criteria

* [ ] The component is a standalone component, because the PageHeader will have the option to display navigational tabs. The sub-header then needs to be displayed inside the tab content
* [ ] There is a possibility to add a filter button and/or a search bar on the left side
* [ ] On mobile, the filter search bar needs to shrink
* [ ] There is a possibility to add 1-?? buttons on the right side

Begin of the insertion[https://www.figma.com/design/tUkyiLDn5ax7Q9DAhxlS69/Sub-headers-concept?node-id=360-29205](https://www.figma.com/design/tUkyiLDn5ax7Q9DAhxlS69/Sub-headers-concept?node-id=360-29205)End of the insertion Begin of the deletion [https://www.figma.com/design/tUkyiLDn5ax7Q9DAhxlS69/Sub-headers-concept?node-id=360-31337&t=iGwNAeuo8vrocQHV-0](https://www.figma.com/design/tUkyiLDn5ax7Q9DAhxlS69/Sub-headers-concept?node-id=360-31337&t=iGwNAeuo8vrocQHV-0)End of the deletion

**Example**

<img class="op-uc-image op-uc-image_inline" src="/api/v3/attachments/102778/content"> Begin of the insertion

End of the insertion Begin of the deletion



End of the deletion #### QA hints

* This component will be completely developed within the primer\_view\_components repo and thus needs to be tested in Lookbook (or in the core after the version was updated, which will be done in a separate ticket)