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/poop_chute/artifact_graph_flowchart.snap.md

@@ -153,107 +153,107 @@ flowchart LR
   4 --- 31
   4 ---- 34
   5 --- 41
-  5 x--> 61
+  5 x--> 62
   5 --- 76
   5 --- 94
   6 --- 40
-  6 x--> 61
+  6 x--> 62
   6 --- 69
   6 --- 98
   7 --- 42
-  7 x--> 61
+  7 x--> 62
   7 --- 75
   7 --- 93
   8 --- 38
-  8 x--> 61
+  8 x--> 62
   8 --- 70
   8 --- 95
   9 --- 37
-  9 x--> 61
+  9 x--> 62
   9 --- 68
   9 --- 101
   10 --- 44
-  10 x--> 61
+  10 x--> 62
   10 --- 74
   10 --- 100
   11 --- 46
-  11 x--> 61
+  11 x--> 62
   11 --- 66
   11 --- 97
   12 --- 45
-  12 x--> 61
+  12 x--> 62
   12 --- 73
   12 --- 103
   13 --- 35
-  13 x--> 61
+  13 x--> 62
   13 --- 71
   13 --- 102
   14 --- 36
-  14 x--> 61
+  14 x--> 62
   14 --- 72
   14 --- 91
   15 --- 47
-  15 x--> 61
+  15 x--> 62
   15 --- 65
   15 --- 99
   16 --- 43
-  16 x--> 61
+  16 x--> 62
   16 --- 77
   16 --- 92
   17 --- 39
-  17 x--> 61
+  17 x--> 62
   17 --- 67
   17 --- 96
   18 --- 55
-  18 x--> 62
+  18 x--> 61
   18 --- 88
   18 --- 114
   19 --- 54
-  19 x--> 62
+  19 x--> 61
   19 --- 85
   19 --- 113
   20 --- 50
-  20 x--> 62
+  20 x--> 61
   20 --- 89
   20 --- 106
   21 --- 51
-  21 x--> 62
+  21 x--> 61
   21 --- 79
   21 --- 110
   22 --- 49
-  22 x--> 62
+  22 x--> 61
   22 --- 83
   22 --- 107
   23 --- 59
-  23 x--> 62
+  23 x--> 61
   23 --- 84
   23 --- 108
   24 --- 52
-  24 x--> 62
+  24 x--> 61
   24 --- 90
   24 --- 104
   25 --- 58
-  25 x--> 62
+  25 x--> 61
   25 --- 81
   25 --- 116
   26 --- 60
-  26 x--> 62
+  26 x--> 61
   26 --- 80
   26 --- 109
   27 --- 56
-  27 x--> 62
+  27 x--> 61
   27 --- 82
   27 --- 115
   28 --- 48
-  28 x--> 62
+  28 x--> 61
   28 --- 78
   28 --- 111
   29 --- 53
-  29 x--> 62
+  29 x--> 61
   29 --- 86
   29 --- 105
   30 --- 57
-  30 x--> 62
+  30 x--> 61
   30 --- 87
   30 --- 112
   33 --- 35
@@ -269,8 +269,8 @@ flowchart LR
   33 --- 45
   33 --- 46
   33 --- 47
-  33 --- 61
-  33 --- 63
+  33 --- 62
+  33 --- 64
   33 --- 65
   33 --- 66
   33 --- 67
@@ -310,8 +310,8 @@ flowchart LR
   34 --- 58
   34 --- 59
   34 --- 60
-  34 --- 62
-  34 --- 64
+  34 --- 61
+  34 --- 63
   34 --- 78
   34 --- 79
   34 --- 80
@@ -416,30 +416,30 @@ flowchart LR
   80 <--x 60
   109 <--x 60
   116 <--x 60
-  65 <--x 63
-  66 <--x 63
-  67 <--x 63
-  68 <--x 63
-  69 <--x 63
-  70 <--x 63
-  71 <--x 63
-  72 <--x 63
-  73 <--x 63
-  74 <--x 63
-  75 <--x 63
-  76 <--x 63
-  77 <--x 63
-  78 <--x 64
-  79 <--x 64
-  80 <--x 64
-  81 <--x 64
-  82 <--x 64
-  83 <--x 64
-  84 <--x 64
-  85 <--x 64
-  86 <--x 64
-  87 <--x 64
-  88 <--x 64
-  89 <--x 64
-  90 <--x 64
+  78 <--x 63
+  79 <--x 63
+  80 <--x 63
+  81 <--x 63
+  82 <--x 63
+  83 <--x 63
+  84 <--x 63
+  85 <--x 63
+  86 <--x 63
+  87 <--x 63
+  88 <--x 63
+  89 <--x 63
+  90 <--x 63
+  65 <--x 64
+  66 <--x 64
+  67 <--x 64
+  68 <--x 64
+  69 <--x 64
+  70 <--x 64
+  71 <--x 64
+  72 <--x 64
+  73 <--x 64
+  74 <--x 64
+  75 <--x 64
+  76 <--x 64
+  77 <--x 64
 ```