[ETF] Entity Texture Features

• added support for the iris distant horizons beta
• fixed emissive textures breaking in the gui with ImmediatelyFast installed
• fixed the blocks property not correctly reading/expecting block states
• fixed the name property not checking for single names with spaces in them comprised of the entire test string
• completely redid the config gui to be data driven and more user-friendly
  • ETF, EMF, and ESF will now share the same config gui collectively called "Entity Features settings"
  • added a new per entity settings screen that allows you to override the settings for specific entity types
  • added a Random properties settings screen that allows you to enable/disable, modify, and read the documentation of specific random properties. This will also list any properties added via ETF's API.
  • improved many gui elements adding sliders, changed setting highlighting, and text displays for more user-friendly settings
• fixed the name property not reading player usernames
• added the following random properties: (primarily for use in player EMF packs)
  • isCreative - true if the entity is in creative mode
  • isTeammate - true if the entity is a teammate
  • isClientPlayer - true if the entity is the client player
  • variant - moved from EMF into ETF
  • modLoaded - works like name but matches against the mod id's loaded by the modloader
• the blocks property now updates over time by default (OptiFine parity)
• fixed the nbt property still including the char type when testing nbt numbers i.e 1b instead of just 1
• fixed many minor issues
• fixed blocks property and added blockSpawned property to be identical but spawn condition locked by default

further "image not allocated" crash fixes