Booleans: when the last-resort nudge fails both ways, try two more screw axes (#1490) (#1527)

Thanks @erkexzcx.

crates/engine/src/tests.rs

@@ -317,6 +317,7 @@ mod mirror_planes;
 #[cfg(not(target_arch = "wasm32"))]
 mod native_cad_import;
 mod path_scope;
+mod pleat_join;
 mod primitive_points;
 mod rim_cut;
 mod robustness;