Replace plane strings with literals (#6592)

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

rust/kcl-lib/tests/helix_simple/artifact_graph_flowchart.snap.md

@@ -1,11 +1,11 @@
 ```mermaid
 flowchart LR
   subgraph path2 [Path]
-    2["Path<br>[71, 96, 0]"]
-    3["Segment<br>[102, 137, 0]"]
+    2["Path<br>[69, 94, 0]"]
+    3["Segment<br>[100, 135, 0]"]
   end
-  1["Plane<br>[46, 65, 0]"]
-  4["Helix<br>[151, 257, 0]"]
+  1["Plane<br>[46, 63, 0]"]
+  4["Helix<br>[149, 255, 0]"]
   1 --- 2
   2 --- 3
   3 <--x 4

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

@@ -22,13 +22,20 @@ description: Result of parsing helix_simple.kcl
               {
                 "arguments": [
                   {
+                    "abs_path": false,
                     "commentStart": 0,
                     "end": 0,
-                    "raw": "'XZ'",
+                    "name": {
+                      "commentStart": 0,
+                      "end": 0,
+                      "name": "XZ",
+                      "start": 0,
+                      "type": "Identifier"
+                    },
+                    "path": [],
                     "start": 0,
-                    "type": "Literal",
-                    "type": "Literal",
-                    "value": "XZ"
+                    "type": "Name",
+                    "type": "Name"
                   }
                 ],
                 "callee": {

rust/kcl-lib/tests/helix_simple/input.kcl

@@ -1,5 +1,5 @@
 // Create a helix around an edge.
-helper001 = startSketchOn('XZ')
+helper001 = startSketchOn(XZ)
   |> startProfile(at = [0, 0])
   |> line(end = [0, 10], tag = $edge001)
 

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

@@ -7,8 +7,8 @@ description: Operations executed helix_simple.kcl
     "labeledArgs": {
       "planeOrSolid": {
         "value": {
-          "type": "String",
-          "value": "XZ"
+          "type": "Plane",
+          "artifact_id": "[uuid]"
         },
         "sourceRange": []
       }

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

@@ -38,9 +38,9 @@ description: Variables in memory after executing helix_simple.kcl
             0.0
           ],
           "tag": {
-            "commentStart": 128,
-            "end": 136,
-            "start": 128,
+            "commentStart": 126,
+            "end": 134,
+            "start": 126,
             "type": "TagDeclarator",
             "value": "edge001"
           },