Replace the mirrored, partial wall transcription with all active static line
and circle objects from the Win16 registration table. Preserve the original
object IDs for drain and shooter-stop handling, and use bounded physics
substeps so fast balls cannot skip thin rails.
Test Plan:
- cargo fmt --all -- --check
- cargo test
- cargo clippy --all-targets --all-features -- -D warnings
- git diff --check
ddidderr
f904977ae4