feat: allow to pick manually qty / batches / serial nos (backport #40723) (#41435)

* feat: allow to pick manually qty / batches / serial nos

(cherry picked from commit 50dd9fa8a3)

# Conflicts:
#	erpnext/stock/doctype/pick_list/pick_list.json
#	erpnext/stock/doctype/pick_list/pick_list.py

* chore: fix conflicts

* chore: fix conflicts

---------

Co-authored-by: Rohit Waghchaure <rohitw1991@gmail.com>

erpnext/stock/doctype/pick_list/pick_list.json

@@ -18,6 +18,7 @@
   "parent_warehouse",
   "consider_rejected_warehouses",
   "get_item_locations",
+  "pick_manually",
   "section_break_6",
   "scan_barcode",
   "column_break_13",
@@ -192,11 +193,18 @@
    "fieldname": "consider_rejected_warehouses",
    "fieldtype": "Check",
    "label": "Consider Rejected Warehouses"
+  },
+  {
+   "default": "0",
+   "description": "If enabled then system won't override the picked qty / batches / serial numbers.",
+   "fieldname": "pick_manually",
+   "fieldtype": "Check",
+   "label": "Pick Manually"
   }
  ],
  "is_submittable": 1,
  "links": [],
- "modified": "2024-01-24 17:05:20.317180",
+ "modified": "2024-03-27 22:49:16.954637",
  "modified_by": "Administrator",
  "module": "Stock",
  "name": "Pick List",
@@ -268,4 +276,4 @@
  "sort_order": "DESC",
  "states": [],
  "track_changes": 1
-}
+}

erpnext/stock/doctype/pick_list/pick_list.py

@@ -29,7 +29,8 @@ class PickList(Document):
 
 	def before_save(self):
 		self.update_status()
-		self.set_item_locations()
+		if not self.pick_manually:
+			self.set_item_locations()
 
 		if self.get("locations"):
 			self.validate_sales_order_percentage()