entListener("toggle", (event) => {
            if (event.newState === "open") {
              if (!this.trigger) {
                const triggerId =
                  this.dataset.triggerId || this._triggerIdToAttach;
                if (triggerId) {
                  this.trigger = document.getElementById(triggerId);
                  if (this.trigger) {
                    this.attachTrigger();
                  } else {
                    console.warn(
                      `SelectElement: Trigger with 