- Fixed bug that caused error message to be shown while using unlocked item

New variables added:

• POTTED_FLOWERS
• CANDLE_CAKES - all 17 (candle + 16 colors)
• MUSIC_DISCS - all 19 discs • HORSE_ARMORS — 4 types
• HANGING_SIGNS - 12 wood types including PALE_OAK_HANGING_SIGN

Updated existing variables:

• BEDS - added missing PURPLE_BED
• PLANKS - added MANGROVE_PLANKS, BAMBOO_PLANKS, CHERRY_PLANKS, PALE_OAK_PLANKS
• SIGNS - added MANGROVE_SIGN, BAMBOO_SIGN, CHERRY_SIGN, PALE_OAK_SIGN
• FENCES - added MANGROVE_FENCE, BAMBOO_FENCE, CHERRY_FENCE
• DOORS - added MANGROVE_DOOR, CHERRY_DOOR, BAMBOO_DOOR, PALE_OAK_DOOR, all copper door variants
• BOATS - added CHERRY_BOAT, CHERRY_CHEST_BOAT
• STAIRS - added many missing types (mangrove, bamboo, cherry, pale oak, blackstone variants, copper, mud brick, tuff, resin, end stone, mossy, andesite, granite, diorite, deepslate)
• SLABS — added many missing types (same wood/stone types as stairs)