Map jira metadata fields to gitlab issue

What does this MR do?

This MR adds basic Jira issue metadata to GitLab issue description.

Following fields are skipped and follow-up MR will be created after clarification on the related issue: custom_field_2000_name, components, security, versions

Related issue #209792 (closed)

Screenshots

Does this MR meet the acceptance criteria?

Conformity

• [-] Changelog entry
• [-] Documentation (if required)
• Code review guidelines
• [-] Merge request performance guidelines
• Style guides
• [-] Database guides
• [-] Separation of EE specific content

Availability and Testing

• Review and add/update tests for this feature/bug. Consider all test levels. See the Test Planning Process.