fix(model): restore saved solid booleans

Reload exact B-reps from solid history or ACIS before model operations and pin the closed-cut kernel fix.

Cargo.toml

@@ -28,7 +28,7 @@ rfd = "0.17"
 clap = { version = "4", features = ["derive"] }
 env_logger = "0.11"
 acadrust = { git = "https://github.com/HakanSeven12/cadcodec.git", rev = "db73dab", features = ["serde"] }
-cadkernel = { git = "https://github.com/HakanSeven12/cadkernel.git", rev = "895f8b7", features = ["acis", "offset"] }
+cadkernel = { git = "https://github.com/HakanSeven12/cadkernel.git", rev = "467c3fd", features = ["acis", "offset"] }
 dwg-thumbnailer = { path = "crates/dwg-thumbnailer" }
 flate2 = "1"
 image = { version = "0.25", default-features = false, features = ["png", "jpeg", "bmp", "tiff"] }