auto-reload page after sync error

[TalDerei]

related to #1495.

We should be able to programmatically reload the page with window.location.reload(). However, we need to ensure that auto-reloading doesn't trigger a reload loop if the sync error occurs repeatedly.

[TalDerei]

update: reference #1998 – as a side-effect, automatically reloading the page doesn’t make sense in this context due to cooldown periods in our transport layer. closing as unplanned