[client] Debug information for connection (#4439)

Improve logging

Print the exact time when the first WireGuard handshake occurs
Print the steps for gathering system information

client/system/info_windows.go

@@ -48,6 +48,5 @@ func GetInfo(ctx context.Context) *Info {
 	gio.Hostname = extractDeviceName(ctx, systemHostname)
 	gio.NetbirdVersion = version.NetbirdVersion()
 	gio.UIVersion = extractUserAgent(ctx)
-
 	return gio
 }