- Added validation in AdminMenu::viewStockLevels to check for empty inventory before displaying.
- Added validation in AdminMenu::viewStockLevels to ensure only active items are shown.
- Added "View Stock Level" header for clarity.
- Adjusted column widths for Quantity and Price to 15 for better alignment.
- Added final newline and util::pressEnter() prompt after displaying stock levels.
Fixes #1739