fix(ux): SCR consumed-qty read-only property

(cherry picked from commit adf2474)

erpnext/subcontracting/doctype/subcontracting_receipt/subcontracting_receipt.js

@@ -76,26 +76,14 @@ frappe.ui.form.on('Subcontracting Receipt', {
 			}
 		});
 
-		let batch_no_field = frm.get_docfield("items", "batch_no");
+		let batch_no_field = frm.get_docfield('items', 'batch_no');
 		if (batch_no_field) {
 			batch_no_field.get_route_options_for_new_doc = function(row) {
 				return {
-					"item": row.doc.item_code
+					'item': row.doc.item_code
 				}
 			};
 		}
-
-		frappe.db.get_single_value('Buying Settings', 'backflush_raw_materials_of_subcontract_based_on').then(val => {
-			if (val == 'Material Transferred for Subcontract') {
-				frm.fields_dict['supplied_items'].grid.grid_rows.forEach((grid_row) => {
-					grid_row.docfields.forEach((df) => {
-						if (df.fieldname == 'consumed_qty') {
-							df.read_only = 0;
-						}
-					});
-				});
-			}
-		});
 	},
 
 	refresh: (frm) => {
@@ -157,6 +145,8 @@ frappe.ui.form.on('Subcontracting Receipt', {
 					}
 				});
 			}, __('Get Items From'));
+
+			frm.fields_dict.supplied_items.grid.update_docfield_property('consumed_qty', 'read_only', frm.doc.__onload && frm.doc.__onload.backflush_based_on === 'BOM');
 		}
 	},
 

erpnext/subcontracting/doctype/subcontracting_receipt/subcontracting_receipt.py

@@ -28,6 +28,14 @@ def __init__(self, *args, **kwargs):
 			},
 		]
 
+	def onload(self):
+		self.set_onload(
+			"backflush_based_on",
+			frappe.db.get_single_value(
+				"Buying Settings", "backflush_raw_materials_of_subcontract_based_on"
+			),
+		)
+
 	def update_status_updater_args(self):
 		if cint(self.is_return):
 			self.status_updater.extend(