[Search] Update all apps header protection

- Introduce spacing between header protection and search box
- introduce vertical padding for "personal | work" tab
- animate tab header protection color change when docking

Test: Manual
preview: https://drive.google.com/file/d/1eS4B7hcLExxCdjSp1IzBcziKm-9w87UR/view?usp=sharing&resourcekey=0--mtY6bCC9GJpFSUC8I5d6w
Bug: 184946772
Change-Id: I840af27c7557f1dffd7a15874aa09833514b4bb1