allow alias to be undefined

src/Umbraco.Web.UI.Client/src/core/context-api/consume/context-consumer.controller.ts

@@ -9,7 +9,7 @@ export class UmbContextConsumerController<T = unknown>
 	implements UmbControllerInterface
 {
 	public get unique() {
-		return this._contextAlias?.toString();
+		return this._contextAlias.toString();
 	}
 
 	constructor(

src/Umbraco.Web.UI.Client/src/core/controller/controller.class.ts

@@ -6,7 +6,7 @@ export abstract class UmbController implements UmbControllerInterface {
 
 	private _alias?: string;
 	public get unique() {
-		return this._alias ?? UmbController.name;
+		return this._alias;
 	}
 
 	constructor(host: UmbControllerHostInterface, alias?: string) {

src/Umbraco.Web.UI.Client/src/core/controller/controller.interface.ts

@@ -1,5 +1,5 @@
 export interface UmbControllerInterface {
-	get unique(): string;
+	get unique(): string | undefined;
 	hostConnected(): void;
 	hostDisconnected(): void;
 	destroy(): void;