Improves and fixes comments for listeners

Removes the enableBungee check in the BungeeCordListener as it should only be listening if the option is enabled anyway
Improves the checking for players teleporting from the end

src/main/java/net/knarcraft/stargate/container/FromTheEndTeleportation.java

@@ -44,4 +44,17 @@ public class FromTheEndTeleportation {
         return this.exitPortal;
     }
 
+    @Override
+    public int hashCode() {
+        return teleportingPlayer.hashCode();
+    }
+
+    @Override
+    public boolean equals(Object other) {
+        if (!(other instanceof FromTheEndTeleportation otherTeleportation)) {
+            return false;
+        }
+        return teleportingPlayer.equals(otherTeleportation.teleportingPlayer);
+    }
+
 }