fix: dont map picked qty and consider pick qty for new PL

Co-Authored-By: marination <maricadsouza221197@gmail.com>

erpnext/selling/doctype/sales_order/sales_order.py

@@ -1245,14 +1245,18 @@ def create_pick_list(source_name, target_doc=None):
 	from erpnext.stock.doctype.packed_item.packed_item import is_product_bundle
 
 	def update_item_quantity(source, target, source_parent) -> None:
-		target.qty = flt(source.qty) - flt(source.delivered_qty)
-		target.stock_qty = (flt(source.qty) - flt(source.delivered_qty)) * flt(source.conversion_factor)
+		picked_qty = flt(source.picked_qty) / (flt(source.conversion_factor) or 1)
+		qty_to_be_picked = flt(source.qty) - max(picked_qty, flt(source.delivered_qty))
+
+		target.qty = qty_to_be_picked
+		target.stock_qty = qty_to_be_picked * flt(source.conversion_factor)
 
 	def update_packed_item_qty(source, target, source_parent) -> None:
 		qty = flt(source.qty)
 		for item in source_parent.items:
 			if source.parent_detail_docname == item.name:
-				pending_percent = (item.qty - item.delivered_qty) / item.qty
+				picked_qty = flt(item.picked_qty) / (flt(item.conversion_factor) or 1)
+				pending_percent = (item.qty - max(picked_qty, item.delivered_qty)) / item.qty
 				target.qty = target.stock_qty = qty * pending_percent
 				return
 
@@ -1281,6 +1285,7 @@ def should_pick_order_item(item) -> bool:
 					"name": "sales_order_item",
 					"parent_detail_docname": "product_bundle_item",
 				},
+				"field_no_map": ["picked_qty"],
 				"postprocess": update_packed_item_qty,
 			},
 		},