Accessories

Fixes:

• Issues with loading incorrect texture related to saddled entities within experimental screen
• Missing translation key for gamerule

Changes:

• Adjust screen button injection to be API driven allowing for compat of other entities and add support for horses inventory by default
• Adjust strict mode for Unique slot API to allow for changes to who has the slot bound to them in partial mode
• Allow for cosmetic armor to be added to other entities for other mod compat