[Bug] User select list can't match result field when using nereids

### Search before asking

- [X] I had searched in the [issues](https://github.com/apache/doris/issues?q=is%3Aissue) and found no similar issues.

### Version

commit e9827f443f019b2e87d3acc5cc198fc91628b40e of master

### What's Wrong?

I get different result field when using Nereids and Legacy.

### What You Expected?

I expect to get user select list field as same result with Nereids and Legacy.

### How to Reproduce?

select a mix case field on any table with lower case field

### Anything Else?

_No response_

### Are you willing to submit PR?

- [ ] Yes I am willing to submit a PR!

### Code of Conduct

- [X] I agree to follow this project's [Code of Conduct](https://www.apache.org/foundation/policies/conduct)