refactor: misc pick list refactors

- make tracking fields read only and no-copy 🤦
- collapse print settings section, most users configure it once and
  forget about it, not need to show this.
- call pick list grouping function directly
- use get_descendants_of instead of obscure db function

erpnext/selling/doctype/sales_order/sales_order.json

@@ -1520,6 +1520,7 @@
    "fieldname": "per_picked",
    "fieldtype": "Percent",
    "label": "% Picked",
+   "no_copy": 1,
    "read_only": 1
   }
  ],
@@ -1527,7 +1528,7 @@
  "idx": 105,
  "is_submittable": 1,
  "links": [],
- "modified": "2022-03-15 21:38:31.437586",
+ "modified": "2022-04-21 08:16:48.316074",
  "modified_by": "Administrator",
  "module": "Selling",
  "name": "Sales Order",

erpnext/selling/doctype/sales_order_item/sales_order_item.json

@@ -803,13 +803,15 @@
   {
    "fieldname": "picked_qty",
    "fieldtype": "Float",
-   "label": "Picked Qty"
+   "label": "Picked Qty",
+   "no_copy": 1,
+   "read_only": 1
   }
  ],
  "idx": 1,
  "istable": 1,
  "links": [],
- "modified": "2022-03-15 20:17:33.984799",
+ "modified": "2022-04-21 08:15:14.010319",
  "modified_by": "Administrator",
  "module": "Selling",
  "name": "Sales Order Item",

erpnext/stock/doctype/pick_list/pick_list.json

@@ -114,6 +114,7 @@
    "set_only_once": 1
   },
   {
+   "collapsible": 1,
    "fieldname": "print_settings_section",
    "fieldtype": "Section Break",
    "label": "Print Settings"
@@ -129,7 +130,7 @@
  ],
  "is_submittable": 1,
  "links": [],
- "modified": "2021-10-05 15:08:40.369957",
+ "modified": "2022-04-21 07:56:40.646473",
  "modified_by": "Administrator",
  "module": "Stock",
  "name": "Pick List",
@@ -199,5 +200,6 @@
  ],
  "sort_field": "modified",
  "sort_order": "DESC",
+ "states": [],
  "track_changes": 1
 }

erpnext/stock/doctype/pick_list/pick_list.py

@@ -11,6 +11,7 @@ from frappe import _
 from frappe.model.document import Document
 from frappe.model.mapper import map_child_doc
 from frappe.utils import cint, floor, flt, today
+from frappe.utils.nestedset import get_descendants_of
 
 from erpnext.selling.doctype.sales_order.sales_order import (
 	make_delivery_note as create_delivery_note_from_sales_order,
@@ -109,7 +110,7 @@ class PickList(Document):
 
 		from_warehouses = None
 		if self.parent_warehouse:
-			from_warehouses = frappe.db.get_descendants("Warehouse", self.parent_warehouse)
+			from_warehouses = get_descendants_of("Warehouse", self.parent_warehouse)
 
 		# Create replica before resetting, to handle empty table on update after submit.
 		locations_replica = self.get("locations")
@@ -190,8 +191,7 @@ class PickList(Document):
 			frappe.throw(_("Qty of Finished Goods Item should be greater than 0."))
 
 	def before_print(self, settings=None):
-		if self.get("group_same_items"):
-			self.group_similar_items()
+		self.group_similar_items()
 
 	def group_similar_items(self):
 		group_item_qty = defaultdict(float)