Add equalsWithFieldId method for RowType

### Search before asking

- [x] I searched in the [issues](https://github.com/apache/fluss-rust/issues) and found nothing similar.

### Motivation

Java client has equalsWithFieldId method to check for equality which is missing in the rust client

### Solution

Implement equalsWithFieldId using the java client as reference

### Anything else?

_No response_

### Willingness to contribute

- [x] I'm willing to submit a PR!