We thank Xin-Li Sheng and Yan-Qing Zhao for useful discussions. An enlightening email communication from M. Chernodub is warmly acknowledged. This work is supported by the National Key Research and Development Program of China (No. 2022YFA1604900). This work also is supported by the National Natural Science Foundation of China (NSFC) under Grant Nos. 12275104, 11890711, 11890710.