Add validation for order-by in saved queries

[plypaul]

Description

This PR adds a validation to check the values in the order-by for a saved query.

Checklist

• [x] I have read the contributing guide and understand what's expected of me
• [x] I have signed the CLA
• [x] This PR includes tests, or tests are not required/relevant for this PR
• [x] I have run changie new to create a changelog entry

[plypaul]

Taking a look at the test failure.