Performs a comprehensive project rename from 'barcode_scanner' to 'e_scan' (or 'eScan' for user-facing labels). This update spans all relevant files, including:
- Application IDs and bundle identifiers for Android, iOS, macOS, and Linux.
- VS Code launch configurations.
- Dart package import paths.
- Project names and titles in `pubspec.yaml`, `README.md`, and platform-specific configurations (e.g., CMakeLists, Info.plist, AndroidManifest).
Refactors the login page and model for improved separation of concerns. Moves navigation logic from the model to the page using success callbacks. Integrates a dedicated primary button component for the login action, showing loading state.
Adds a new secure route for a product form page and updates the scanner page to navigate to it when viewing scanned product details.
Simplifies the callback signature for viewing product details in the scanned product component. Also includes minor adjustments to the splash screen delay and theme definition.
