Perform file downloads with netstack in the WG gateway probe

[durch]

This change is 

[pronebird]

Reviewed 5 of 5 files at r1, all commit messages.
Reviewable status: complete! all files reviewed, all discussions resolved (waiting on @benedettadavico, @mmsinclair, and @tommyv1987)

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nym-vpn-core/crates/nym-gateway-probe/src/lib.rs line 221 at r1 (raw file):

        wg_outcome.can_register = true;

        if wg_outcome.can_register {

FYI this check seems irrelevant given that you wg_outcome.can_register = true just above but maybe there is a reason for that.

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nym-vpn-core/crates/nym-gateway-probe/src/lib.rs line 238 at r1 (raw file):

                netstack_response.received_hosts as f32 / netstack_response.sent_hosts as f32;
            wg_outcome.ping_ips_performance =
                netstack_response.received_ips as f32 / netstack_response.sent_ips as f32;

FYI you might be ok with NaN so maybe no need to check for division by zero?

[pronebird]

Clippy issue should go away if you rebase your branch. We've already fixed that in main