The Manual Test Steps are not being updated when using the Jira's native CSV importer

Description
When using the Jira's native CSV importer to update Tests, the Manual Test Steps are not being updated.

Pre-conditions
Have Manual Tests created

How to reproduce

1. Have a CSV with the issue keys of the Tests that want to update
2. Access the Jira Administration -> System -> External System Import -> CSV
3. Do the mappings, including the Issue Key and Manual Test Steps, in order to update the existing Tests

Actual result/Attachments
All the fields are being updated, except the Manual Test Steps

Expected result
All the custom fields updated according to the CSV, including the Manual Test Steps

Version

• Version >= 4.0.0