Fix: show best record with DB

src/game/lib/session_storage_manager.js

@@ -75,4 +75,12 @@ class SessionStorageManager {
 		return sessionStorage.getItem("bestRecord");
 	}
 
+	// best record
+	set isNewBestRecord(value) {
+		sessionStorage.setItem("isNewBestRecord", value);
+	}
+	get isNewBestRecord() {
+		return sessionStorage.getItem("isNewBestRecord");
+	}
+
 }