✨ Add topic to the UI store Room

src/domain/model/room.rs

@@ -123,11 +123,6 @@ impl Room {
         self.name.borrow().clone()
     }
 
-    #[allow(dead_code)]
-    pub fn topic(&self) -> &Option<String> {
-        &self.topic
-    }
-
     #[allow(dead_code)]
     pub fn set_topic(&mut self, topic: Option<String>) {
         self.topic = topic;
@@ -308,6 +303,10 @@ impl RoomStoreConsumerInterface for Room {
         self.name.borrow().clone()
     }
 
+    fn topic(&self) -> Option<String> {
+        self.topic.clone()
+    }
+
     async fn avatar(&self) -> Option<Avatar> {
         self.get_avatar().await
     }