Merge pull request #12328 from tulukakaniwa/upstream_develop_fix

fix: incoming data type incompatible with old dashboard serialization logic

frappe/desk/desktop.py

@@ -601,8 +601,8 @@ def merge_cards_based_on_label(cards):
 	for card in cards:
 		label = card.get('label')
 		if label in cards_dict:
-			links = loads(cards_dict[label].links) + loads(card.links)
-			cards_dict[label].update(dict(links=dumps(links)))
+			links = cards_dict[label].links + card.links
+			cards_dict[label].update(dict(links=links))
 			cards_dict[label] = cards_dict.pop(label)
 		else:
 			cards_dict[label] = card