Jigsaw blocks reset to default

[Fabrimat]

Chunker Version

1.12.0-main-e471d21

Input World Version

Java 1.21.8

Output World Version

Bedrock 1.21.100

Platform / Operating System

Windows 11

Issue Description

Continuing from #1493, I created this mainly to keep track of the progress in the support for Jigsaw Blocks conversion.
Currently, the Jigsaw blocks are reset to the default when converted.

For reference, this is the mapping (Java to Bedrock) made in another project: https://github.com/Fabrimat/nbt-to-mcstructure/blob/jigsaw-block/cli/java_structures.py#L372-L425