Darenfell 0.1.42.1 Datapack Hotfix

- Normalized Loot Integrations JSON field to integrated_loot_tables.
- Corrected 14 Astral/Twilight target loot-table IDs against uploaded 1.18.2 JARs.
- Updated Layer 1 datapack pack_format to 9 for Minecraft 1.18.2.
- Made direct mod-item entries in Layer 1 tags optional to prevent missing IDs from aborting datapack loading.
