@Wayne_Poitras - I'm on Jira Server v8.3.1 with Portfolio for Jira 3.9.0 and I cannot edit the status either. I believe this is intentional as portfolio is aggregated data across one or many projects/boards/ect and status is changed through jira workflow & transitions, not as a field.
When your issues move through the workflow the status is changed. The article below shows that "Portfolio can show the up-to-date status of issues as they move through their Jira workflow" and does not mention any ability to edit the status: https://confluence.atlassian.com/jiraportfoliocloud/tracking-status-and-progress-of-issues-828785247.html
To see this feature in action check out our recent dependencies demo here: https://www.youtube.com/watch?v=eQu5VsUqyZA Keeping on top of your dependencies is a key part of ensuring project success....
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