Biomes from optimized 1.8.8 maps are byte array

[joserobjr]

Affected Version
1.0.0, 1.0.1, 2.0.0-SNAPSHOT

Describe the bug
The Biomes tag may be byte array in some optimized chunks.

To Reproduce
Steps to reproduce the behavior:

1. Optimize a 1.8.8 world
2. Immediately after, attempt to convert it to Nukkit

Expected behavior
Convert the world successfully

Exception stack trace
If applicable, paste it below to help explain your problem.

Exception in thread "main" java.lang.ClassCastException: br.com.gamemods.nbtmanipulator.NbtByteArray cannot be cast to br.com.gamemods.nbtmanipulator.NbtIntArray
	at br.com.gamemods.nbtmanipulator.NbtCompound.getIntArray(nbt.kt:400)
	at br.com.gamemods.j2nwc.internal.JavaChunk.<init>(JavaChunk.kt:104)
	at br.com.gamemods.j2nwc.internal.Chunk_converterKt.toNukkit(chunk-converter.kt:11)
	at br.com.gamemods.j2nwc.internal.RegionFileConverter.toNukkit(RegionFileConverter.kt:33)
	at br.com.gamemods.j2nwc.internal.RegionFileConverter.convertRegionFile(RegionFileConverter.kt:17)
	at br.com.gamemods.j2nwc.WorldConverter.convert(WorldConverter.kt:94)
	at br.com.gamemods.worldrepo.MundoJava.converterParaNukkit(MundoJava.kt:27)
	at br.com.gamemods.worldrepo.TestesKt.main(testes.kt:13)
	at br.com.gamemods.worldrepo.TestesKt.main(testes.kt)

Screenshots
If applicable, add screenshots to help explain your problem.

Additional context
Add any other context about the problem here.