Fix: Wrong filter for supplier default bank account

The query for default bank account field in the supplier master only allowed company bank accounts. With this fix it's now possible to one of the supplier bank accounts as default bank account.
diff --git a/erpnext/buying/doctype/supplier/supplier.js b/erpnext/buying/doctype/supplier/supplier.js
index 4ddc458..074888a 100644
--- a/erpnext/buying/doctype/supplier/supplier.js
+++ b/erpnext/buying/doctype/supplier/supplier.js
@@ -17,10 +17,11 @@
 				}
 			}
 		});
-		frm.set_query("default_bank_account", function() {
+		frm.set_query("default_bank_account", function(doc, cdt, cdn) {
 			return {
 				filters: {
-					"is_company_account":1
+					"is_company_account":0,
+					"party":doc.name
 				}
 			}
 		});