Describe the bug

Steps to reproduce

1. Read all items of a feed
2. Switch to Show unread Only

Feed Info

https://web.follow.is/feed/41440449356332035

Validations

• Check that there isn't already an issue that reports the same bug to avoid creating a duplicate.
• Check that this is a concrete bug. For Q&A, please open a GitHub Discussion instead.

Contributions

• I am willing to submit a PR to fix this issue
• I am willing to submit a PR with failing tests (actually just go ahead and do it, thanks!)