Adding support to LIDs

Idk if it's the best and correct way to identify lids, but I noticed that when a JID comes with `agent: 1` it's a lid

Ps: not every LID comes with `agent: 1`, but every `agent: 1` is a lid

src/main/java/it/auties/whatsapp/model/jid/Jid.java

@@ -17,7 +17,7 @@ public record Jid(String user, JidServer server, Integer device, Integer agent)
      */
     public Jid(String user, JidServer server, Integer device, Integer agent) {
         this.user = user != null && user.startsWith("+") ? user.substring(1) : user;
-        this.server = server;
+        this.server = agent != null && agent == 1 ? JidServer.LID : server;
         this.device = device;
         this.agent = agent;
     }
@@ -274,4 +274,4 @@ public boolean hasAgent() {
     public int hashCode() {
         return Objects.hashCode(toString());
     }
-}
+}