refactor: remove unused dependencies and components, update search input implementation

- Removed `@meilisearch/instant-meilisearch` and `react-instantsearch` from package.json and package-lock.json.
- Refactored `SearchInput` component to utilize `@tanstack/react-query` for search functionality.
- Implemented debounced search using custom hooks.
- Removed `SearchComboBox` component as it was no longer needed.
- Updated `Command` components to improve search dialog functionality.

Author: kingRayhan