Fix bugs:
1. should return the other side child of Or if current side is NULL after constant fold
2. Lead should has three parameters, remove the default value ctors
Not enable Nereids case under nereids_p0
1. nereids_p0/join/sql
2. nereids_p0/sql_functions/horology_functions/sql
Should disble Nereids explicitly because the result is not same
1. query_p0/sql_functions/horology_functions/sql
2. query_p0/stats/query_stats_test.groovy
3. query_profile/test_profile.groovy
Unstable regression test case
1. nereids_syntax_p0/join.groovy
1dd3a4ed3a