fix: set correct title

(cherry picked from commit b35391d339)

frappe/contacts/address_and_contact.py

@@ -178,4 +178,4 @@ def set_link_title(doc):
 	for link in doc.links:
 		if not link.link_title:
 			linked_doc = frappe.get_doc(link.link_doctype, link.link_name)
-			link.link_title = linked_doc.get("title_field") or linked_doc.get("name")
+			link.link_title = linked_doc.get_title() or link.link_name