[fix](Nereids) simplify range result wrong when reference is nullable (#41356) #42990
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…apache#41356) pick from master apache#41356 if reference is nullable and simplify result is boolean literal. the real result should be: IF(${reference} IS NULL, NULL, ${not_null_result})
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pick from master #41356
if reference is nullable and simplify result is boolean literal. the real result should be:
IF(${reference} IS NULL, NULL, ${not_null_result})