ModernShowcase

[1.8.1] Can Preview Persistent Fix Update

• Fixed an issue where the "Can Preview" option would not be enabled after restarting server.

[1.8] Position Offest Update

• Added an option in showcase to set position offest for item.
• Added an option in showcase to disable item preivew.
• Added an config option "max-offest: 50" to set the maximum offset allowed.
• Fixed an issue where the order of items in display cases might become incorrect after restarting.