fix: set parent doctype on chart (backport #39286) (#39287)

fix: set parent doctype on chart (#39286)

(cherry picked from commit 38c5ecf007)

Co-authored-by: Ankush Menat <ankush@frappe.io>

erpnext/manufacturing/dashboard_chart/completed_operation/completed_operation.json

@@ -12,12 +12,13 @@
  "is_public": 1,
  "is_standard": 1,
  "last_synced_on": "2020-07-21 16:57:09.767009",
- "modified": "2020-07-21 16:57:55.719802",
+ "modified": "2024-01-10 12:21:25.134075",
  "modified_by": "Administrator",
  "module": "Manufacturing",
  "name": "Completed Operation",
  "number_of_groups": 0,
  "owner": "Administrator",
+ "parent_document_type": "Work Order",
  "time_interval": "Quarterly",
  "timeseries": 1,
  "timespan": "Last Year",