Fix to have stable sorting for end cap artifacts (#6589)

* Fix to have stable sorting for end cap artifacts

* Update output

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

@@ -49,7 +49,7 @@ flowchart LR
   43["SweepEdge Adjacent"]
   44["SweepEdge Adjacent"]
   1 --- 3
-  25 x--> 2
+  26 x--> 2
   3 --- 5
   3 --- 6
   3 --- 7
@@ -62,45 +62,45 @@ flowchart LR
   4 --- 12
   4 --- 13
   4 ---- 16
-  25 --- 4
+  26 --- 4
   5 --- 20
-  5 x--> 25
+  5 x--> 26
   5 --- 31
   5 --- 38
   6 --- 18
-  6 x--> 25
+  6 x--> 26
   6 --- 32
   6 --- 39
   7 --- 17
-  7 x--> 25
+  7 x--> 26
   7 --- 29
   7 --- 40
   8 --- 19
-  8 x--> 25
+  8 x--> 26
   8 --- 30
   8 --- 37
   9 --- 23
-  9 x--> 26
+  9 x--> 25
   9 --- 35
   9 --- 44
   10 --- 24
-  10 x--> 26
+  10 x--> 25
   10 --- 36
   10 --- 42
   11 --- 22
-  11 x--> 26
+  11 x--> 25
   11 --- 33
   11 --- 43
   12 --- 21
-  12 x--> 26
+  12 x--> 25
   12 --- 34
   12 --- 41
   15 --- 17
   15 --- 18
   15 --- 19
   15 --- 20
-  15 --- 25
-  15 --- 27
+  15 --- 26
+  15 --- 28
   15 --- 29
   15 --- 30
   15 --- 31
@@ -113,8 +113,8 @@ flowchart LR
   16 --- 22
   16 --- 23
   16 --- 24
-  16 --- 26
-  16 --- 28
+  16 --- 25
+  16 --- 27
   16 --- 33
   16 --- 34
   16 --- 35
@@ -147,12 +147,12 @@ flowchart LR
   36 <--x 24
   42 <--x 24
   44 <--x 24
-  29 <--x 27
-  30 <--x 27
-  31 <--x 27
-  32 <--x 27
-  33 <--x 28
-  34 <--x 28
-  35 <--x 28
-  36 <--x 28
+  33 <--x 27
+  34 <--x 27
+  35 <--x 27
+  36 <--x 27
+  29 <--x 28
+  30 <--x 28
+  31 <--x 28
+  32 <--x 28
 ```