[fix](planner)cast expr should do nothing in compactForLiteral method (#34047)

fe/fe-core/src/main/java/org/apache/doris/analysis/CastExpr.java

@@ -592,4 +592,9 @@ public class CastExpr extends Expr {
     public boolean isNotFold() {
         return this.notFold;
     }
+
+    @Override
+    protected void compactForLiteral(Type type) {
+        // do nothing
+    }
 }