By Hyonhee Shin SEOUL (Reuters) – Senior South Korean diplomats will hold talks with Chinese counterparts on Thursday following a diplomatic spat with Taiwan over its cancellation of the attendance by a senior Taipei official for a business forum in Seoul last week. Vice Foreign Minister Choi Jong-kun and aides are set to hold talks online later on Thursday with a team led by Chinese Vice Foreign Minister Le Yucheng, the first such meeting since June 2017. Both sides are expected to explore ways to reopen stalled denuclearisation talks with North Korea and discuss other bilateral, regional and…