6.2.4

Release note of 6.2.4:

c5f6957 refs #41289, remove entity table return of custom value api when sequential
3ae9674 refs #39905, add activity id after create new activity
478dc65 refs #40713, allow token context to be hooked by activity sendEmailTemplate
daca770 refs #41221, do not save dynamic var useFrameworkRelativeBase to prevent multi-lang form issue
ff4ca78 refs #38065, #41267, fixes export wont get correct mode when skip multiple query