Include correct affiliation and role after revoking MUC membership.

Previous stanza had status code 321 (membership revoked), but still had the owner and role set to the old role:
affiliation="owner" role="moderator"

Now it is the correct role after revoking membership:
affiliation="none" role="none"

src/java/org/jivesoftware/openfire/muc/spi/LocalMUCRole.java

@@ -163,6 +163,12 @@ public class LocalMUCRole implements MUCRole {
         this.presence = newPresence;
         this.presence.setFrom(getRoleAddress());
         if (extendedInformation != null) {
+            // Remove any previous extendedInformation, then re-add it.
+            Element mucUser = presence.getElement().element(QName.get("x", "http://jabber.org/protocol/muc#user"));
+            if (mucUser != null) {
+                // Remove any previous extendedInformation, then re-add it.
+                presence.getElement().remove(mucUser);
+            }
             Element exi = extendedInformation.createCopy();
             presence.getElement().add(exi);
         }

src/java/org/jivesoftware/openfire/muc/spi/LocalMUCRoom.java

@@ -1377,6 +1377,8 @@ public class LocalMUCRoom implements MUCRoom, GroupEventListener {
             if (role.isLocal()) {
                 role.setAffiliation(newAffiliation);
                 role.setRole(newRole);
+                // Set the new presence, so that the updated affiliation and role is reflected in the presence stanza.
+                role.setPresence(role.getPresence());
                 // Notify the other cluster nodes to update the occupant
                 CacheFactory.doClusterTask(new UpdateOccupant(this, role));
                 // Prepare a new presence to be sent to all the room occupants
@@ -1868,35 +1870,35 @@ public class LocalMUCRoom implements MUCRoom, GroupEventListener {
     public boolean isManuallyLocked() {
         return lockedTime > 0 && creationDate.getTime() != lockedTime;
     }
-
-    /**
-     * Handles occupants updating their presence in the chatroom. Assumes the user updates their presence whenever their
-     * availability in the room changes. This method should not be called to handle other presence related updates, such
-     * as nickname changes.
-     * {@inheritDoc}
-     */
-    @Override
-    public void presenceUpdated(final MUCRole occupantRole, final Presence newPresence) {
-        final String occupantNickName = occupantRole.getNickname();
-
-        // Update the presence of the occupant on the local node with the occupant's new availability. Updates the
-        // local node first so the remote nodes receive presence that correctly reflects the occupant's new
-        // availability and previously existing role and affiliation with the room.
-        final UpdatePresence localUpdateRequest = new UpdatePresence(this, newPresence.createCopy(), occupantNickName);
-        localUpdateRequest.setOriginator(true);
-        localUpdateRequest.run();
-
-        // Get the new, updated presence for the occupant in the room. The presence reflects the occupant's updated
-        // availability and their existing association.
-        final Presence updatedPresence = occupantRole.getPresence().createCopy();
-
-        // Ask other cluster nodes to update the presence of the occupant. Uses the updated presence from the local
-        // MUC role.
-        final UpdatePresence clusterUpdateRequest = new UpdatePresence(this, updatedPresence, occupantNickName);
-        CacheFactory.doClusterTask(clusterUpdateRequest);
-
-        // Broadcast updated presence of occupant.
-        broadcastPresence(updatedPresence, false);
+
+    /**
+     * Handles occupants updating their presence in the chatroom. Assumes the user updates their presence whenever their
+     * availability in the room changes. This method should not be called to handle other presence related updates, such
+     * as nickname changes.
+     * {@inheritDoc}
+     */
+    @Override
+    public void presenceUpdated(final MUCRole occupantRole, final Presence newPresence) {
+        final String occupantNickName = occupantRole.getNickname();
+
+        // Update the presence of the occupant on the local node with the occupant's new availability. Updates the
+        // local node first so the remote nodes receive presence that correctly reflects the occupant's new
+        // availability and previously existing role and affiliation with the room.
+        final UpdatePresence localUpdateRequest = new UpdatePresence(this, newPresence.createCopy(), occupantNickName);
+        localUpdateRequest.setOriginator(true);
+        localUpdateRequest.run();
+
+        // Get the new, updated presence for the occupant in the room. The presence reflects the occupant's updated
+        // availability and their existing association.
+        final Presence updatedPresence = occupantRole.getPresence().createCopy();
+
+        // Ask other cluster nodes to update the presence of the occupant. Uses the updated presence from the local
+        // MUC role.
+        final UpdatePresence clusterUpdateRequest = new UpdatePresence(this, updatedPresence, occupantNickName);
+        CacheFactory.doClusterTask(clusterUpdateRequest);
+
+        // Broadcast updated presence of occupant.
+        broadcastPresence(updatedPresence, false);
     }
 
     /**