Manual test executions created before version 5.0.0 are not being migrated to the cloud correctly.

Manual test executions created before version 5.0.0 are not being migrated to the cloud correctly.

Steps to reproduce:

• Install one of the latest versions of Xray 4.X
• Create a test with some steps
• Create an execution for that test
• Run the execution
• Update the xray for latest version (it will be better to migrate version by version 4-> 5, 5->6...).
• Migrate the data to Xray cloud environment 

Actual result:

On the execution page, it will not be possible to view the steps.

Expected result

All steps should be displayed.