Fix workflow dirs sorting bug in GScan (#2349)

Workflow dirs/parts were being sorted in between workflows beginning with "o" and "p".

Partially reverts 5371b06

Author: oliver-sanders

changes.d/2349.fix.md

@@ -0,0 +1 @@
+Fixed workflow sorting bug in the sidebar.

src/store/workflows.module.js

@@ -144,7 +144,9 @@ function addChild (parentNode, childNode) {
   }
 
   // insert the child preserving sort order
-  const iteratee = (n) => `${n.type}-${n.name}` // (this makes families sort before tasks in the tree)
+  const iteratee = ['task', 'family'].includes(childNode.type)
+    ? (n) => `${n.type}-${n.name}` // (this makes families sort before tasks in the tree)
+    : (n) => n.name
   const reverse = ['cycle', 'job'].includes(childNode.type)
   const index = sortedIndexBy(
     parentNode[key],