Update src/Umbraco.Web.UI.Client/src/libs/controller-api/controller-host.mixin.ts

Co-authored-by: Copilot <[email protected]>

Author: nielslyngsoe

src/Umbraco.Web.UI.Client/src/libs/controller-api/controller-host.mixin.ts

@@ -61,7 +61,7 @@ export const UmbControllerHostMixin = <T extends ClassConstructor>(superClass: T
 				// If a controller is created on a already attached element, then it will be added directly. This might not be optimal. As the controller it self has not finished its constructor method jet. therefor i postpone the call: [NL]
 				Promise.resolve().then(() => {
 					// Extra check to see if we are still attached and still added at this point:
-					if (this.#attached && this.#controllers.indexOf(ctrl) !== -1) {
+					if (this.#attached && this.#controllers.includes(ctrl)) {
 						ctrl.hostConnected();
 					}
 				});