DualHotbar Reworked

First DualHotbar Reworked release

Bug fixes & Improvements

• Fixed rendering issues with offhand items and widget slots
• Fixed hotbar rendering not being disabled while in spectator mode
• Fixed a crash when picking a block using the mouse wheel (#6)
• Fixed duplicated ghost items appearing when picking blocks in creative mode (#8)
• Fixed incorrectly positioned items when picking blocks in creative mode (#8)
• Improved offhand item rendering to align on the same row when hotbars are not stacked
• Fixed chat interaction hotspots (like click to execute/copy) when the hotbar is shifted up (#5)
• Disabled slot switching and hotkeys while in GUIs to prevent unintended actions

New features & Enhancements

• Added support for config synchronization when joining multiplayer servers
• Enabled in-place config updates without rejoining world or restarting the game

Technical changes

• Replaced ASM with Mixins for better compatibility and maintainability
• Updated the config system and its validation
• Cleaned up and refactored most of the old messy code (probably fixed #7)
• Migrated to Cleanroom's modern ForgeDevEnv