fixes 30: Update cache when creating or updating MUCs

When clustering, the MUC goes into the cache, but doesn't get an ID, and the savedToDB value is incorrect. No idea if this has any real world impact, but it's certainly wrong. This forces a sync the same way that Admin does when it creates a room.

changelog.html

@@ -44,6 +44,11 @@ <h1>
 REST API Plugin Changelog
 </h1>
 
+<p><b>1.8.2</b> ??? 2022</p>
+<ul>
+    <li>[<a href='https://github.com/igniterealtime/openfire-restAPI-plugin/issues/30'>#30</a>] - Update cache when creating or updating MUCs</li>
+</ul>
+
 <p><b>1.8.1</b> June 23, 2022</p>
 <ul>
     <li>[<a href='https://github.com/igniterealtime/openfire-restAPI-plugin/issues/108'>#108</a>] - On existence (HEAD) check, do not log absence of entity verbosely.</li>

src/java/org/jivesoftware/openfire/plugin/rest/controller/MUCRoomController.java

@@ -375,6 +375,8 @@ private void createRoom(MUCRoomEntity mucRoomEntity, String serviceName) throws
         if (room.isPersistent()) {
             room.saveToDB();
         }
+
+        getService(serviceName).syncChatRoom(room);
     }
 
     private boolean equalToAffiliations(MUCRoom room, MUCRoomEntity mucRoomEntity) {