Fixing bug with saving files

common/src/module/settings.mjs

@@ -118,6 +118,12 @@ class SettingsAPI extends Module {
         this.emit(new ChangedEvent(property, oldValue, value, byUser === true))
     }
     
+    /**
+     * Name of the currently opened file.
+     * @returns {string}
+     */
+    get saveFilename() { return this.#properties.get("saveFilename") }
+    
     /**
      * Zoom on the x axis of the diagram.
      * @returns {number}