[Feature request] Hope the flink-iotdb-connector can support writing aligned timeseries

### Search before asking

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

### Motivation

In practical applications, multiple physical quantities of certain entities are sampled simultaneously to form a set of time series with the same time series

### Solution

_No response_

### Alternatives

_No response_

### Are you willing to submit a PR?

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

Start by locating the flink-iotdb-connector implementation and its existing write path. Clarify the aligned-timeseries requirements and define acceptance criteria for connector support, including how completion will be verified.

Written by the indexing model from the issue text.