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/http/config.go

@@ -1,6 +1,8 @@
 package http
 
 import (
+	"google.golang.org/protobuf/proto"
+
 	"github.com/xtls/xray-core/common/protocol"
 )
 
@@ -11,6 +13,10 @@ func (a *Account) Equals(another protocol.Account) bool {
 	return false
 }
 
+func (a *Account) ToProto() proto.Message {
+	return a
+}
+
 func (a *Account) AsAccount() (protocol.Account, error) {
 	return a, nil
 }