It's not possible to open xray attachments

Short description: It's not possible to open xray attachments

Steps to reproduce:

1. Install this template in your Jira instance SimpleTestWikiImagesSteps.docx
2. Create a test with the following step (Note: the xray attachment cannot be a Jira attachment)

3. Associate a new test run to that test

4. In the test export the template installed in step 1

Actual Result: When you click on the link to open the attachment IN-1.xlsx it's not possible to open

Expected Result: It should be possible to open the attachment.