Extend Foundry's MultiSelectElement so that I can provide a label to it

module/Apps/elements/_index.mjs

@@ -0,0 +1,19 @@
+import { CustomMultiSelect } from "./CustomMultiSelect.mjs";
+import { Logger } from "../../utils/Logger.mjs";
+
+const components = [
+	CustomMultiSelect,
+];
+
+export function registerCustomComponents() {
+	(CONFIG.CACHE ??= {}).componentListeners ??= [];
+	for (const component of components) {
+		if (!window.customElements.get(component.tagName)) {
+			Logger.debug(`Registering component "${component.tagName}"`);
+			window.customElements.define(
+				component.tagName,
+				component,
+			);
+		};
+	}
+};