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/kcl_samples/router-template-slate/artifact_graph_flowchart.snap.md

@@ -104,8 +104,8 @@ flowchart LR
   96["SweepEdge Adjacent"]
   97["SweepEdge Adjacent"]
   1 --- 4
-  55 x--> 2
-  55 x--> 3
+  57 x--> 2
+  57 x--> 3
   4 --- 7
   4 --- 8
   4 --- 9
@@ -128,7 +128,7 @@ flowchart LR
   5 --- 24
   5 --- 30
   5 ---- 34
-  55 --- 5
+  57 --- 5
   6 --- 25
   6 --- 26
   6 --- 27
@@ -136,81 +136,81 @@ flowchart LR
   6 --- 29
   6 --- 32
   6 ---- 35
-  55 --- 6
+  57 --- 6
   7 --- 43
-  7 x--> 55
+  7 x--> 57
   7 --- 67
   7 --- 84
   8 --- 40
-  8 x--> 55
+  8 x--> 57
   8 --- 61
   8 --- 80
   9 --- 39
-  9 x--> 55
+  9 x--> 57
   9 --- 70
   9 --- 86
   10 --- 41
-  10 x--> 55
+  10 x--> 57
   10 --- 71
   10 --- 83
   11 --- 38
-  11 x--> 55
+  11 x--> 57
   11 --- 65
   11 --- 85
   13 --- 42
-  13 x--> 55
+  13 x--> 57
   13 --- 68
   13 --- 82
   14 --- 45
-  14 x--> 55
+  14 x--> 57
   14 --- 69
   14 --- 89
   15 --- 44
-  15 x--> 55
+  15 x--> 57
   15 --- 64
   15 --- 88
   16 --- 36
-  16 x--> 55
+  16 x--> 57
   16 --- 62
   16 --- 87
   17 --- 37
-  17 x--> 55
+  17 x--> 57
   17 --- 66
   17 --- 81
   18 --- 46
-  18 x--> 55
+  18 x--> 57
   18 --- 63
   18 x--> 84
   20 --- 49
-  20 x--> 56
+  20 x--> 55
   20 --- 73
   20 --- 92
   21 --- 50
-  21 x--> 56
+  21 x--> 55
   21 --- 74
   21 --- 90
   22 --- 48
-  22 x--> 56
+  22 x--> 55
   22 --- 72
   22 --- 91
   23 --- 47
-  23 x--> 56
+  23 x--> 55
   23 --- 75
   23 --- 93
   25 --- 52
-  25 x--> 57
+  25 x--> 56
   25 --- 79
   25 --- 97
   26 --- 51
-  26 x--> 57
+  26 x--> 56
   26 --- 77
   26 --- 96
   27 --- 53
-  27 x--> 57
+  27 x--> 56
   27 --- 78
   27 --- 94
   28 --- 54
-  28 x--> 57
+  28 x--> 56
   28 --- 76
   28 --- 95
   33 --- 36
@@ -224,8 +224,8 @@ flowchart LR
   33 --- 44
   33 --- 45
   33 --- 46
-  33 --- 55
-  33 --- 58
+  33 --- 57
+  33 --- 60
   33 --- 61
   33 --- 62
   33 --- 63
@@ -251,8 +251,8 @@ flowchart LR
   34 --- 48
   34 --- 49
   34 --- 50
-  34 --- 56
-  34 --- 59
+  34 --- 55
+  34 --- 58
   34 --- 72
   34 --- 73
   34 --- 74
@@ -265,8 +265,8 @@ flowchart LR
   35 --- 52
   35 --- 53
   35 --- 54
-  35 --- 57
-  35 --- 60
+  35 --- 56
+  35 --- 59
   35 --- 76
   35 --- 77
   35 --- 78
@@ -330,23 +330,23 @@ flowchart LR
   76 <--x 54
   95 <--x 54
   97 <--x 54
-  61 <--x 58
-  62 <--x 58
-  63 <--x 58
-  64 <--x 58
-  65 <--x 58
-  66 <--x 58
-  67 <--x 58
-  68 <--x 58
-  69 <--x 58
-  70 <--x 58
-  71 <--x 58
-  72 <--x 59
-  73 <--x 59
-  74 <--x 59
-  75 <--x 59
-  76 <--x 60
-  77 <--x 60
-  78 <--x 60
-  79 <--x 60
+  72 <--x 58
+  73 <--x 58
+  74 <--x 58
+  75 <--x 58
+  76 <--x 59
+  77 <--x 59
+  78 <--x 59
+  79 <--x 59
+  61 <--x 60
+  62 <--x 60
+  63 <--x 60
+  64 <--x 60
+  65 <--x 60
+  66 <--x 60
+  67 <--x 60
+  68 <--x 60
+  69 <--x 60
+  70 <--x 60
+  71 <--x 60
 ```