Turn on units of measure (BREAKING CHANGE) (#6343)

* Turn on uom checks

Signed-off-by: Nick Cameron <nrc@ncameron.org>

* Convert all lengths to mm for engine calls

Signed-off-by: Nick Cameron <nrc@ncameron.org>

---------

Signed-off-by: Nick Cameron <nrc@ncameron.org>

rust/kcl-lib/src/std/mirror.rs

@@ -61,13 +61,13 @@ async fn inner_mirror_2d(
                 ModelingCmd::from(mcmd::EntityMirror {
                     ids: starting_sketches.iter().map(|sketch| sketch.id).collect(),
                     axis: Point3d {
-                        x: direction[0].n,
-                        y: direction[1].n,
+                        x: direction[0].to_mm(),
+                        y: direction[1].to_mm(),
                         z: 0.0,
                     },
                     point: Point3d {
-                        x: LengthUnit(origin[0].n),
-                        y: LengthUnit(origin[1].n),
+                        x: LengthUnit(origin[0].to_mm()),
+                        y: LengthUnit(origin[1].to_mm()),
                         z: LengthUnit(0.0),
                     },
                 }),