Vectorization: Wrong Results issues in IF expressions about Two-level nested UDF

After set hive.vectorized.execution.enabled = true, if there are two levels nested UDF conversion fields in the IF expression, the result will be incorrect.

Test case：
create table if_orc (col string, col2 string) stored as orc;
insert into table if_orc values('1', 'abc'),('1', 'abc'),('2', 'def'),( '2', 'def');
set hive.vectorized.execution.enabled = true;
select if(col='2', col2, reverse(upper(col2))) from if_orc;

set hive.vectorized.execution.enabled = false;
Right Result：
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set hive.vectorized.execution.enabled = true;
Wrong result：
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