fix: listen for layoutEntries and set them on the manager

src/Umbraco.Web.UI.Client/src/packages/tiny-mce/property-editors/tiny-mce/property-editor-ui-tiny-mce.element.ts

@@ -89,6 +89,11 @@ export class UmbPropertyEditorUITinyMceElement extends UmbLitElement implements
 	constructor() {
 		super();
 
+		this.observe(this.#entriesContext.layoutEntries, (layouts) => {
+			// Update manager:
+			this.#managerContext.setLayouts(layouts);
+		});
+
 		this.observe(this.#managerContext.layouts, (layouts) => {
 			this._value = {
 				...this._value,