fix: Set new users active by default and improve form behavior

[shriom17]

Changes Made

Bug Fixes

• 🐛 Fixed: New users now default to is_active: true instead of false
• 🐛 Fixed: Forms now reset when dialogs are closed without saving

Features

• ✨ Added: New Textarea component for multi-line text input
• ✨ Enhanced: Item descriptions now use textarea instead of single-line input
• ♿ Improved: Added proper ARIA labels for accessibility

Files Modified

• frontend/src/components/Admin/AddUser.tsx
• frontend/src/components/Items/AddItem.tsx
• frontend/src/components/Items/EditItem.tsx
• frontend/src/components/Items/DeleteItem.tsx
• frontend/src/components/Admin/DeleteUser.tsx
• frontend/src/components/ui/textarea.tsx (new)

Testing

• ✅ Tested creating/editing items with new textarea
• ✅ Verified form reset on cancel
• ✅ Confirmed new users are active by default
• ✅ Dev server runs without errors

[github-actions]

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