### Search before asking - [x] I searched in the [issues](https://github.com/alibaba/paimon-cpp/issues) and found nothing similar. ### Motivation There is no any metrics for scan metrics, which does not aligin with [ScanMetrics](https://github.com/apache/paimon/blob/master/paimon-core/src/main/java/org/apache/paimon/operation/metrics/ScanMetrics.java). ### Solution Support scan metrics to align with [ScanMetrics](https://github.com/apache/paimon/blob/master/paimon-core/src/main/java/org/apache/paimon/operation/metrics/ScanMetrics.java). ### Anything else? _No response_ ### Are you willing to submit a PR? - [x] I'm willing to submit a PR!