Emails inconsistently not being marked read + Unread Filter refresh

Only some emails are marked read after being opened. If user clicks in email content it seems to be more consistent.. not sure..

Plus, if you are in the Unread filter, the page refreshes after 2 minutes (this might be ok)

https://www.loom.com/share/445a49fdf9fe42aeb39781f372f7c902?sid=946f38a1-8b56-4ecd-a8f0-c0aacc53f9d9