cmd, node, p2p/simulations: fix node account manager leak (#19004)

* node: close AccountsManager in new Close method

* p2p/simulations, p2p/simulations/adapters: handle node close on shutdown

* node: move node ephemeralKeystore cleanup to stop method

* node: call Stop in Node.Close method

* cmd/geth: close node.Node created with makeFullNode in cli commands

* node: close Node instances in tests

* cmd/geth, node: minor code style fixes

* cmd, console, miner, mobile: proper node Close() termination

miner/stress_clique.go

@@ -69,7 +69,7 @@ func main() {
 		if err != nil {
 			panic(err)
 		}
-		defer node.Stop()
+		defer node.Close()
 
 		for node.Server().NodeInfo().Ports.Listener == 0 {
 			time.Sleep(250 * time.Millisecond)