fix: (patch) Fetch only BOMs with subassemblies for patch updation

- Leaf BOMs won't have any 'From BOM' to add
- Added progress bar for feedback

erpnext/patches/v13_0/add_bom_reference_in_exploded_items.py

@@ -3,17 +3,23 @@
 
 def execute():
 	"Add 'From BOM' in exploded items rows to help updates without reset."
+	from erpnext.manufacturing.doctype.bom_update_log.bom_updation_utils import get_leaf_boms
+
+	leaf_boms = get_leaf_boms()
+
 	bom = frappe.qb.DocType("BOM")
-	bom_item = frappe.qb.DocType("BOM Item")
-	boms_with_children = (
-		frappe.qb.from_(bom_item)
-		.join(bom)
-		.on(bom_item.parent == bom.name)
-		.select(bom_item.parent)
-		.distinct()
-		.where((bom.is_active == 1) & (bom.docstatus == 1))
+	boms_with_sub_assembly_children = (
+		frappe.qb.from_(bom)
+		.select(bom.name)
+		.where((bom.name.notin(leaf_boms)) & (bom.is_active == 1) & (bom.docstatus == 1))
 	).run(as_dict=True)
 
-	for bom in boms_with_children:
-		bom = frappe.get_doc("BOM", bom.parent)
+	if not boms_with_sub_assembly_children:
+		return
+
+	total_count = len(boms_with_sub_assembly_children)
+	for count, bom in enumerate(boms_with_sub_assembly_children, start=1):
+		bom = frappe.get_doc("BOM", bom.name)
 		bom.update_exploded_items(save=True)  # set 'From BOM' in exploded items
+
+		frappe.utils.update_progress_bar("Updating Exploded BOM Items ...", count, total_count)