Method [process()](https://github.com/exasol/mlflow-plugin/blob/main/exasol/mlflow_plugin/rest_api/data/column.py#L107) currently returns any value. Acceptance Criteria * [ ] Variable [MODEL_VERSION_COLUMNS](https://github.com/exasol/mlflow-plugin/blob/main/exasol/mlflow_plugin/rest_api/endpoints/model_versions.py#L6) should set `Column.varchar("aliases", comma_sep="True)` * [ ] If attribute `Column.comma_sep` is `True`, then method `process()` should concatenate the value with `",".join(value)`.
Method process() currently returns any value.
Acceptance Criteria
Column.varchar("aliases", comma_sep="True)Column.comma_sepisTrue, then methodprocess()should concatenate the value with",".join(value).