tokio-xmpp: Import Jid, BareJid and Element properly

xmpp-parsers has stopped reexporting them, instead it reexports only the
crates themselves.

tokio-xmpp/examples/echo_component.rs

@@ -1,11 +1,12 @@
 use futures::stream::StreamExt;
+use minidom::Element;
 use std::env::args;
 use std::process::exit;
 use std::str::FromStr;
 use tokio_xmpp::tcp::TcpComponent as Component;
+use xmpp_parsers::jid::Jid;
 use xmpp_parsers::message::{Body, Message, MessageType};
 use xmpp_parsers::presence::{Presence, Show as PresenceShow, Type as PresenceType};
-use xmpp_parsers::{Element, Jid};
 
 #[tokio::main]
 async fn main() {