PATCH Objective API Calls Fails due to inactive Owner

Issue Summary

When trying to update an Objective via API, it errors with it can't update due to inactive owner.

Steps to Reproduce

1. Send API PATCH call to update an Objective (Status, Description, etc.)

Expected Results

1. Update call is successful and Objective is updated.

Actual Results

HTTP 400 Bad Request
Cannot update milestone with id 464. Value for ownerId is invalid.

Workaround

Change the user status to active or change the owner on the objective/milestone.