API: Add new Get Inbound User (#3644)

* Add GetInboundUser in proto

* Add get user logic for all existing inbounds

* Add inbounduser command

* Add option to get all users

* Fix shadowsocks2022 config

* Fix init users in shadowsocks2022

* Fix copy

* Add inbound user count command

This api costs much less than get inbound user, could be useful in some case

* Update from latest main

proxy/trojan/config.go

@@ -3,7 +3,8 @@ package trojan
 import (
 	"crypto/sha256"
 	"encoding/hex"
-	fmt "fmt"
+	"fmt"
+	"google.golang.org/protobuf/proto"
 
 	"github.com/xtls/xray-core/common"
 	"github.com/xtls/xray-core/common/protocol"
@@ -33,6 +34,12 @@ func (a *MemoryAccount) Equals(another protocol.Account) bool {
 	return false
 }
 
+func (a *MemoryAccount) ToProto() proto.Message {
+	return &Account{
+		Password: a.Password,
+	}
+}
+
 func hexSha224(password string) []byte {
 	buf := make([]byte, 56)
 	hash := sha256.New224()