#1136 update rte when value changes

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

@@ -42,6 +42,19 @@ export class UmbInputTinyMceElement extends FormControlMixin(UmbLitElement) {
 		return this._editorElement?.querySelector('iframe') ?? undefined;
 	}
 
+	set value(newValue: FormDataEntryValue | FormData) {
+		this._value = newValue;
+		const newContent = newValue?.toString() ?? '';
+
+		if(this.#editorRef && this.#editorRef.getContent() != newContent) {
+			this.#editorRef.setContent(newContent);
+		}
+	}
+	
+	get value(): FormDataEntryValue | FormData {
+		return this._value;
+	}
+
 	@query('#editor', true)
 	private _editorElement?: HTMLElement;