Release IronAgeFurniture Phase 3 for Forge 1.14.4

[SkyBlade1978]

Summary

• ports the complete Phase 3 lighting release to Forge 1.14.4
• preserves legacy furniture and padded-bench worlds through the flattening migration
• fixes exact recipe advancement criteria, recipe-book grouping, thrown lava-lamp synchronization/rendering, obsidian presentation, and sconce placement
• keeps Biomes O' Plenty and Immersive Engineering integrations optional and conditionally loaded

Validation

• full clean check, build, Javadoc, JSON, metadata, namespace, repository-hygiene, workflow, Maven-coordinate, artifact, checksum, and prepared-bundle gates
• Eclipse production classpath and launch verification
• two clean builds produced byte-identical main, sources, and Javadoc jars
• manual Forge 1.14.4 gameplay acceptance completed

Release version: 0.3.0.114041