Extend IntersectToSemiJoinRule to support n-way inputs

select ename from emp where deptno = 10
intersect
select ename from emp where deptno = 20
intersect
select ename from emp where deptno = 30 

LogicalIntersect(all=[false])
  LogicalProject(ENAME=[$1])
    LogicalFilter(condition=[=($7, 10)])
      LogicalTableScan(table=[[CATALOG, SALES, EMP]])
  LogicalProject(ENAME=[$1])
    LogicalFilter(condition=[=($7, 20)])
      LogicalTableScan(table=[[CATALOG, SALES, EMP]])
  LogicalProject(ENAME=[$1])
    LogicalFilter(condition=[=($7, 30)])
      LogicalTableScan(table=[[CATALOG, SALES, EMP]]) 

LogicalAggregate(group=[{0}])
  LogicalJoin(condition=[IS NOT DISTINCT FROM($0, $1)], joinType=[semi])
    LogicalJoin(condition=[IS NOT DISTINCT FROM($0, $1)], joinType=[semi])
      LogicalProject(ENAME=[$1])
        LogicalFilter(condition=[=($7, 10)])
          LogicalTableScan(table=[[CATALOG, SALES, EMP]])
      LogicalProject(ENAME=[$1])
        LogicalFilter(condition=[=($7, 20)])
          LogicalTableScan(table=[[CATALOG, SALES, EMP]])
    LogicalProject(ENAME=[$1])
      LogicalFilter(condition=[=($7, 30)])
        LogicalTableScan(table=[[CATALOG, SALES, EMP]])