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/tests/helix_simple/artifact_commands.snap

@@ -129,37 +129,5 @@ description: Artifact commands helix_simple.kcl
       "is_clockwise": false,
       "edge_id": "[uuid]"
     }
-  },
-  {
-    "cmdId": "[uuid]",
-    "range": [],
-    "command": {
-      "type": "set_scene_units",
-      "unit": "mm"
-    }
-  },
-  {
-    "cmdId": "[uuid]",
-    "range": [],
-    "command": {
-      "type": "set_scene_units",
-      "unit": "mm"
-    }
-  },
-  {
-    "cmdId": "[uuid]",
-    "range": [],
-    "command": {
-      "type": "set_scene_units",
-      "unit": "mm"
-    }
-  },
-  {
-    "cmdId": "[uuid]",
-    "range": [],
-    "command": {
-      "type": "set_scene_units",
-      "unit": "mm"
-    }
   }
 ]

rust/kcl-lib/tests/helix_simple/ops.snap

@@ -91,13 +91,8 @@ description: Operations executed helix_simple.kcl
           "type": "Number",
           "value": 5.0,
           "ty": {
-            "type": "Default",
-            "len": {
-              "type": "Mm"
-            },
-            "angle": {
-              "type": "Degrees"
-            }
+            "type": "Known",
+            "type": "Count"
           }
         },
         "sourceRange": []

rust/kcl-lib/tests/helix_simple/program_memory.snap

@@ -90,9 +90,6 @@ description: Variables in memory after executing helix_simple.kcl
           "units": {
             "type": "Mm"
           }
-        },
-        "units": {
-          "type": "Mm"
         }
       },
       "start": {