Set a default socket timeout when retrieving remote items in icat.

[lamby]

Otherwise we can easily hang when "icat"-ing resources from unreliable websites/webcams, etc.

[Luflosi]

I think def socket_timeout(seconds: int) -> None: instead of def socket_timeout(seconds): should fix the CI error.

[lamby]

I think def socket_timeout(seconds: int) -> None: instead of def socket_timeout(seconds): should fix the CI error

Ahh, thanks. Force-pushed for clarity. 👍