- client: fix messages: asking for X instances doesn't mean that X instances are idle
- manager: if user clicks Retry in Transfer tab while network is suspended, show an alert.
- manager: in transfers tab, show it if transfers are suspended because network is suspended
- manager: in tasks tab, if a task is downloading or uploading and network is suspended, show it
- client: day boundary for "transfer at most X in N days" is midnight local time, not UTC
- client: fix build break
- manager: fix tooltip msgs