[feature](nereids) const folding for in-predicate with null literal (#15880)

select 1 in (2 , null)  => null
select 1 in (1 , null)  => true
select 1 not in (2 , null)  => null
select 1 not in (1 , null)  => false

fe/fe-core/src/main/java/org/apache/doris/nereids/rules/expression/rewrite/rules/FoldConstantRuleOnFE.java

@@ -328,11 +328,18 @@ public class FoldConstantRuleOnFE extends AbstractExpressionRewriteRule {
             return inPredicate;
         }
 
+        boolean hasNull = false;
         for (Expression item : inPredicate.getOptions()) {
+            if (item.isNullLiteral()) {
+                hasNull = true;
+            }
             if (valueIsLiteral && value.equals(item)) {
                 return BooleanLiteral.TRUE;
             }
         }
+        if (hasNull) {
+            return NullLiteral.INSTANCE;
+        }
         return BooleanLiteral.FALSE;
     }