Resolve "The GraphQL query for the MR popover failes on the frontend"

What does this MR do?

Right now the MR Popover is not correctly fetching data since the type for IID changed from ID to String. This changes what we are sending to fix the frontend

Does this MR meet the acceptance criteria?

Conformity

• Changelog entry
• Code review guidelines

Performance and testing

• Tested in all supported browsers

Closes #63261 (closed)