### What problem does this PR solve?
feat(search): Added app embedding functionality and optimized search
page #3221

- Added an Embed App button and related functionality
- Optimized the layout and interaction of the search settings interface
- Adjusted the search result display method
- Refactored some code to support new features
### Type of change

- [x] Bug Fix (non-breaking change which fixes an issue)

### What problem does this PR solve?

Feat: New search page components and features #3221

- Added search homepage, search settings, and ongoing search components
- Implemented features such as search app list, creating search apps,
and deleting search apps
- Optimized the multi-select component, adding disabled state and suffix
display
- Adjusted navigation hooks to support search page navigation

### Type of change

- [x] New Feature (non-breaking change which adds functionality)

### What problem does this PR solve?

Feat: Restore the button's background color #3221
### Type of change


- [x] New Feature (non-breaking change which adds functionality)

### What problem does this PR solve?

fix: Optimized popups and the search page #3221 
- Added a new PortalModal component
- Refactored the Modal component, adding show and hide methods to
support popups
- Updated the search page, adding a new query function and optimizing
the search card style
- Localized, added search-related translations

### Type of change

- [x] Bug Fix (non-breaking change which fixes an issue)

### What problem does this PR solve?

Feat: Add SearchPage component. #3221

### Type of change


- [x] New Feature (non-breaking change which adds functionality)

### What problem does this PR solve?

Feat: Add agent page. #3221

### Type of change


- [x] New Feature (non-breaking change which adds functionality)

### What problem does this PR solve?

Feat: Add Sessions component #3221

### Type of change


- [x] New Feature (non-breaking change which adds functionality)

### What problem does this PR solve?
Feat: Add  ChatCard #3221

### Type of change


- [x] New Feature (non-breaking change which adds functionality)