Support Refresh token and improve authentication and security.

Refactor authentication handling and API client integration

- Updated UserProfileAvatar to use 'access_token' instead of 'ca_token' for logout.
- Removed SSEProvider from Contexts and adjusted related imports.
- Introduced useAuth hook for centralized authentication logic, including login, logout, and token management.
- Refactored useSSE to utilize the new useAuth hook for token validation.
- Updated UserQueries to check for token validity using the new method.
- Deleted AuthenticationService as its functionality is now handled by useAuth.
- Created a new ApiClient utility for handling API requests and token management.
- Updated various components and views to use the new ApiClient for API interactions.
- Removed TokenManager and migrated its functionality to the new ApiClient.
- Adjusted LoginView and related components to utilize the new authentication flow.
- Cleaned up unused variables and improved code consistency across components.

src/components/UserProfileAvatar.jsx

@@ -76,7 +76,7 @@ const UserProfileAvatar = () => {
   }
 
   const handleLogout = () => {
-    localStorage.removeItem('ca_token')
+    localStorage.removeItem('access_token')
     localStorage.removeItem('ca_expiration')
     window.location.href = '/login'
   }