move logic to firstUpdated and add await so that we dont re-render when tinymce gets loaded

src/Umbraco.Web.UI.Client/src/packages/core/components/input-tiny-mce/input-tiny-mce.element.ts

@@ -62,10 +62,10 @@ export class UmbInputTinyMceElement extends FormControlMixin(UmbLitElement) {
 		this.observe(this.#auth.currentUser, (currentUser) => (this.#currentUser = currentUser));
 	}
 
-	async connectedCallback() {
-		super.connectedCallback();
+	protected async firstUpdated(_changedProperties: PropertyValueMap<any> | Map<PropertyKey, unknown>): Promise<void> {
+		super.firstUpdated(_changedProperties);
 		await this.#loadPlugins();
-		this.#setTinyConfig();
+		await this.#setTinyConfig();
 	}
 
 	disconnectedCallback() {