Default-Arms Textures

• 1.21.7

• 1.21.5

• 1.21.6

• Icon Revision

• correctly uses custom_model_data now

(this fixed a crash related the vanilla lacking entity_data for armor_stand items)

• By default, armor-stand items have arms
• When armor-stands are "armless", they will lack arms (vanilla texture)
• currently uses entity_data component-presence