add diconnected callback

src/Umbraco.Web.UI.Client/src/external/monaco-editor/index.ts

@@ -1,4 +1,4 @@
-import styles from 'monaco-editor/min/vs/editor/editor.main.css';
+import styles from 'monaco-editor/min/vs/editor/editor.main.css?inline';
 //eslint-disable-next-line
 import editorWorker from 'monaco-editor/esm/vs/editor/editor.worker.js?worker';
 //eslint-disable-next-line

src/Umbraco.Web.UI.Client/src/packages/templating/stylesheets/workspace/views/code-editor/stylesheet-workspace-view-code-editor.element.ts

@@ -32,6 +32,11 @@ export class UmbStylesheetWorkspaceViewCodeEditorElement extends UmbLitElement {
 		});
 	}
 
+	disconnectedCallback(): void {
+		super.disconnectedCallback();
+		this.#stylesheetWorkspaceContext?.sendContentGetRules();
+	}
+
 	#onCodeEditorInput(event: Event) {
 		const target = event.target as UmbCodeEditorElement;
 		const value = target.code as string;