Implement help.editUserInfo

[aykutalparslan]

Internal use

help.userInfoEmpty#f3ae2eed = help.UserInfo; help.userInfo#1eb3758 message:string entities:Vector<MessageEntity> author:string date:int = help.UserInfo; ---functions--- help.editUserInfo#66b91b70 user_id:InputUser message:string entities:Vector<MessageEntity> = help.UserInfo;