* Use the updated `Primer::OpenProject::PageHeader` component
* No leading back arrow
* Add a breadcrumb as defined in ##52399
* Remove additional CSS defined for the actions (`align-items: center` is now part of the component)
* Out of scope: Change edit functionality (as it is not part of the component yet)

**Places to check**

* Begin of the insertion[x]End of the insertion Begin of the deletion [ ]End of the deletion Members page
* Begin of the insertion[x]End of the insertion Begin of the deletion [ ]End of the deletion Projects list page
* Begin of the insertion[x]End of the insertion Begin of the deletion [ ]End of the deletion Admin Project Attributes pages
* Begin of the insertion[x]End of the insertion Begin of the deletion [ ]End of the deletion Quarantined attachments page
* Begin of the insertion[x]End of the insertion Begin of the deletion [ ]End of the deletion Virus scanning page
* Begin of the insertion[x]End of the insertion Begin of the deletion [ ]End of the deletion Storages pages