BlockStateProperty uses wrong format for properties

[InfiniteCoder01]

In BlockStateProperty predicate, properties field is of type BlockPredicate, whereas in vanilla it would be a PropertiesPredicate:

trove/src/main/java/net/goldenstack/loot/LootPredicate.java

Line 143 in 799ea57

"properties", BlockPredicate.CODEC.optional(), BlockStateProperty::properties,

To work around this issue, we are forced to write

"properties": {
  "state": {
    "age": "3"
  }
}

instead of

"properties": {
  "age": "3"
}

[InfiniteCoder01]

Worth noting, I was testing that using #2