Extended block shapes

No changelog was specified.

• Renamed "XXX Vertical Stairs", "XXX Vertical Slab" to "Vertical XXX Stairs" and "Vertical XXX Slab". Names in lzh will be left unchanged.
• Added shapes for logs and woods (blocks with 6-face sparks) as well as hyphaes and stems, including their stripped variants.
• Added shapes for dirt, coarse dirt, coal block, froglights, deepslate, polished deepslate and sculk.
• Fixed incorrect texture for quarter piece block.
• The command extshape:check-confict can only be executed by player now.
• Optimized the code.