swarm/network: hive bug: needed shallow peers are not sent to nodes beyond connection's proximity order (#19326)

* swarm/network: fix hive bug not sending shallow peers

-  hive bug: needed shallow peers were not sent to nodes beyond connection's proximity order
- add extensive protocol exchange tests for initial subPeersMsg-peersMsg exchange
- modify bzzProtocolTester to allow pregenerated overlay addresses

* swarm/network: attempt to fix hive persistance test

* swarm/network: fix TestHiveStatePersistance (#1320)

* swarm/network: remove trace lines from the hive persistance test

* address PR review comments

* swarm/network: address PR comments on TestInitialPeersMsg

 * eliminate *testing.T argument from bzz/hive protocoltesters
 * add sorting (only runs in test code) on peersMsg payload
 * add random (0 to MaxPeersPerPO) peers for each po
 * add extra peers closer to pivot than control

swarm/network/protocol.go

@@ -20,6 +20,7 @@ import (
 	"context"
 	"errors"
 	"fmt"
+	"math/rand"
 	"sync"
 	"time"
 
@@ -37,6 +38,8 @@ const (
 	bzzHandshakeTimeout = 3000 * time.Millisecond
 )
 
+var DefaultTestNetworkID = rand.Uint64()
+
 // BzzSpec is the spec of the generic swarm handshake
 var BzzSpec = &protocols.Spec{
 	Name:       "bzz",