Also update connection states when participants change

src/room/InCallView.tsx

@@ -214,6 +214,10 @@ export function InCallView({
     };
   }, [calls, updateConnectionStates]);
 
+  useEffect(() => {
+    updateConnectionStates();
+  }, [participants, updateConnectionStates]);
+
   useEffect(() => {
     widget?.api.transport.send(
       layout === "freedom"