fix(Sales Invoice): Reset Asset status on issuing Credit Note
diff --git a/erpnext/accounts/doctype/sales_invoice/sales_invoice.py b/erpnext/accounts/doctype/sales_invoice/sales_invoice.py
index 4655ea8..58a2a33 100644
--- a/erpnext/accounts/doctype/sales_invoice/sales_invoice.py
+++ b/erpnext/accounts/doctype/sales_invoice/sales_invoice.py
@@ -936,7 +936,8 @@
 						gl_entries.append(self.get_gl_dict(gle, item=item))
 
 					asset.db_set("disposal_date", self.posting_date)
-					asset.set_status("Sold" if self.docstatus==1 else None)
+					self.set_asset_status(asset)
+				
 				else:
 					# Do not book income for transfer within same company
 					if not self.is_internal_transfer():
@@ -962,6 +963,12 @@
 			erpnext.is_perpetual_inventory_enabled(self.company):
 			gl_entries += super(SalesInvoice, self).get_gl_entries()
 
+	def set_asset_status(self, asset):
+		if self.is_return:
+			asset.set_status()
+		else: 	
+			asset.set_status("Sold" if self.docstatus==1 else None)
+
 	def make_loyalty_point_redemption_gle(self, gl_entries):
 		if cint(self.redeem_loyalty_points):
 			gl_entries.append(