Test Spec: exporting to Printable is missing manual test steps

Steps to reproduce:

1. Go to a Test Spec that contains manual test steps
2. Select the drop down "Export" on the right hand corner next to share button
3. Select "Printable"
4. Observer there are no manual test steps included in the preview.

Expected: manual test steps are included in printable export

Actual: manual test steps are not included in printable export