ipn/proxies: avoid logging the entire proxy obj

Author: ignoramous

intra/ipn/proxies.go

@@ -526,7 +526,7 @@ func (px *proxifier) ProxyTo(ipp netip.AddrPort, uid string, pids []string) (the
 
 	defer func() {
 		logev(err)("proxy: pin: %s+%s; chosen? %s; stalled? %ds; local: %v; miss: %v; notok: %v; noroute: %v; paused %v; ended %v",
-			uid, ipp, theone, stalledSec, loproxies, missproxies, notokproxies, norouteproxies, pausedproxies, endproxies)
+			uid, ipp, idstr(theone), stalledSec, loproxies, missproxies, notokproxies, norouteproxies, pausedproxies, endproxies)
 	}()
 
 	for _, pid := range pids {

intra/ipn/proxy.go

@@ -16,6 +16,7 @@ import (
 	"net/netip"
 	"net/url"
 	"os"
+	"slices"
 	"strconv"
 	"strings"
 	"syscall"
@@ -665,12 +666,7 @@ func healthy(p Proxy) error {
 }
 
 func has[T comparable](pids []T, pid T) bool {
-	for _, v := range pids {
-		if v == pid {
-			return true
-		}
-	}
-	return false
+	return slices.Contains(pids, pid)
 }
 
 func Same(a, b Proxy) bool {