fix(editor): Force parse on long expressions (#5009)

⚡ Force parse on long expressions

packages/editor-ui/src/utils/forceParse.ts

@@ -0,0 +1,14 @@
+import { EditorView } from '@codemirror/view';
+
+/**
+ * Simulate user action to force parser to catch up during scroll.
+ */
+export function forceParse(_: Event, view: EditorView) {
+	view.dispatch({
+		changes: { from: view.viewport.to, insert: '_' },
+	});
+
+	view.dispatch({
+		changes: { from: view.viewport.to - 1, to: view.viewport.to, insert: '' },
+	});
+}