Refactor `ProductScannedComponent`: - Removes redundant full-screen container. - Adjusts padding and image size. - Updates button styles to `FilledButton`. Improve `ScannerPage`: - Correctly updates loading state after product API calls. - Simplifies fake barcode simulation for testing with a hardcoded value.
Adds a logout button to the home page app bar. Implements the logout logic in the login page model, clearing the stored user token. Navigates to the splash screen after logout to handle redirection based on the updated authentication state.