Fix: Added expense entry cancellation to also delete journal entries

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• Clean Database: Journal entries of cancelled expense entries will be removed from the database, helping to control database size
• Better Workflow: When an expense entry is created after cancel old expense entry, new journal entries will be created without any conflicts from old entries
• Accounting Accuracy: Deleting journal entries of cancelled expenses will prevent inconsistencies in accounting records
• User Experience: Users will receive clear feedback that the journal entry has been cancelled and deleted
• System Performance: System performance will improve by removing unnecessary cancelled journal entries
• Data Integrity: Proper synchronization between expense entries and their journal entries will be maintained