[MC-186600] Nether gold ore is gray on a map

The bug

Netherrack and nether quartz ore both have the nether material color, while nether gold ore does not. Due to this, nether gold ore will appear gray on the map

Code analysis (Yarn mappings)

NETHER_GOLD_ORE = register("nether_gold_ore", new OreBlock(AbstractBlock.Settings.of(Material.STONE, /* needs a material color here */).method_29292().strength(3.0F, 3.0F).sounds(BlockSoundGroup.NETHER_GOLD_ORE)));
NETHERRACK = register("netherrack", new NetherrackBlock(AbstractBlock.Settings.of(Material.STONE, MaterialColor.NETHER).method_29292().strength(0.4F).sounds(BlockSoundGroup.NETHERRACK)));
NETHER_QUARTZ_ORE = register("nether_quartz_ore", new OreBlock(AbstractBlock.Settings.of(Material.STONE, MaterialColor.NETHER).method_29292().strength(3.0F, 3.0F).sounds(BlockSoundGroup.NETHER_ORE)));