The notification was using the wrong class (Notifications instead of Notification). This caused the export completion notification to fail. Updated the import and instantiation to use the correct Filament Notification class.
Update import statements to use Filament\Notifications\Actions\Action instead of the incorrect Actions\Action and NotificationAction aliases. This ensures consistency with the Filament notification system.
- Add new TransmittalPDFExportJob to generate PDFs using dompdf
- Remove old Excel export implementation (TransmittalsExport)
- Update ExportCompleteJob to use new PDF job instead of Excel
- Add TestQueueJob for queue testing with new route
- Update notification label from "Download File" to "Download PDF File"
- Fix auth() helper usage by importing Auth facade consistently
