"Your invite link expires in never expires"

Summary

https://github.com/fluxerapp/fluxer/blob/cb316085235723e68fce5b5b7f86befca8e47c09/fluxer_app/src/components/modals/InviteModal.tsx#L198 https://github.com/fluxerapp/fluxer/blob/cb316085235723e68fce5b5b7f86befca8e47c09/fluxer_app/src/components/modals/InviteModal.tsx#L322 having an invite link without an expiration date results in an awkward phrasing

Steps to reproduce

open the server invite modal dialog change the invite expiration to never expire