Group information is out of sync for invitee

Build: 0.3.0

Devices: iPad, Macbook Pro

Issue: Group information like group name and avatar may not update for users who join a group

Steps to reproduce:

• Account 1 creates group and invites account 2
• Account 2 accepts invite

The group correctly update update the information in the sidebar for the owner (Account 1), but will not update for the invitee (Account 2), even after switching tabs to refresh state.

The correct state of the group as seen from the owner:

The incorrect state from the invitee (Account 2): Note: Group avatar initially did not update iirc. This picture was taken after I closed the app and re-opened

If we close the app for the invitee, we temporarily see the correctly updated state:

However if we select the group again, the UI reverts back to showing the incorrect state: