Update PartParameterTemplate API (#6538)

* Update PartParameterTemplate API

- Expose number of "parts" using a particular template
- Improve filtering visibility
- Update PUI table

* Update API version

src/frontend/src/tables/part/PartParameterTemplateTable.tsx

@@ -51,6 +51,11 @@ export default function PartParameterTemplateTable() {
         sortable: true,
         switchable: false
       },
+      {
+        accessor: 'parts',
+        sortable: true,
+        switchable: true
+      },
       {
         accessor: 'units',
         sortable: true