fix: display sync icon only if current graph is an rtc one

src/main/frontend/state.cljs

@@ -925,6 +925,11 @@ Similar to re-frame subscriptions"
   []
   (:rtc/graphs @state))
 
+(defn rtc-graph?
+  [graph]
+  (some (fn [rtc-graph]
+          (= (:url rtc-graph) graph)) (get-rtc-graphs)))
+
 (defn get-remote-graph-info-by-uuid
   [uuid]
   (when-let [graphs (seq (get-in @state [:file-sync/remote-graphs :graphs]))]