Save Fixes

• Fixed saving being blocked by viewer cards left over from interrupted livestream packs.
  
• Fixed livestream slab and protected-card sales not correctly recording permanent progress.
  
• Fixed giveaways and collector trades incorrectly triggering save protection.
  
• Disabled or unavailable Workshop sets now preserve owned cards and collection progress instead of deleting them during loading.
  
• Fixed unavailable Workshop sets preventing further saves.
  

Dark Mode

• Added a complete CardCare dark theme, including the white CardCare logo.
  
• Added a complete WhatchaGot dark theme across Home, Shows, scheduling, inventory, filters, and product creation.
  
• Improved contrast for buttons, search fields, selected items, and status indicators.