Fix update financial report functionality and tests

[urbantech]

Update financial report API functionality and integration tests

• Refactored financial report update functionality to ensure correct validation and response codes.
• Modified the integration test financialReportIntegration.test.js to address validation issues and handle expected results.
• Added missing pre-save data checks and updated test setup to improve reliability.
• Cleaned up controller logic to improve validation handling and error messages.
• Removed outdated test files: ComprehensiveController.test.js and financialReportingController.test.js.
• Added new components to the client dashboard, including Activities.jsx, Dashboard.jsx, and Statistics.jsx, to enhance UI for financial reporting.
• Updated Jest setup configuration for improved test isolation and reliability.
• Fixed routing issues related to financial report API endpoints.