fix: process each component box as separate ManifoldSolidBrep in STEP export#42

LiamConner10 wants to merge 1 commit intotscircuit:maintscircuit/circuit-json-to-step:mainfrom

LiamConner10:fix/separate-component-solidsLiamConner10/circuit-json-to-step:fix/separate-component-solidsCopy head branch name to clipboard