Verify the main view displays cost data in an adjustable table with pagination and sorting functionality.

Related issue: FLPATH-2730

Test Steps:
1. Navigate to the cost management main view
2. Verify table displays with all expected columns
3. Test column width adjustment/resizing
4. Test pagination controls (next, previous, page size)
5. Test sorting by clicking column headers
6. Verify sort order indicators are displayed

Expected Results:

• Table displays all cost data columns correctly
• Columns can be adjusted/resized as per design
• Pagination works correctly with configurable page sizes
• Sorting works on all sortable columns
• UI matches the Figma design specifications