Fix accessible view regression (microsoft#232198)

* accessible view fix

* don't create wh, check schema for accessibleview

Author: Yoyokrazy

src/vs/editor/contrib/wordHighlighter/browser/wordHighlighter.ts

@@ -634,7 +634,6 @@ class WordHighlighter {
 	private async _run(multiFileConfigChange?: boolean, noDelay?: boolean): Promise<void> {
 
 		const hasTextFocus = this.editor.hasTextFocus();
-
 		if (!hasTextFocus) { // new nb cell scrolled in, didChangeModel fires
 			if (!WordHighlighter.query) { // no previous query, nothing to highlight off of
 				this._stopAll();
@@ -848,7 +847,7 @@ export class WordHighlighterContribution extends Disposable implements IEditorCo
 		super();
 		this._wordHighlighter = null;
 		const createWordHighlighterIfPossible = () => {
-			if (editor.hasModel() && !editor.getModel().isTooLargeForTokenization()) {
+			if (editor.hasModel() && !editor.getModel().isTooLargeForTokenization() && editor.getModel().uri.scheme !== Schemas.accessibleView) {
 				this._wordHighlighter = new WordHighlighter(editor, languageFeaturesService.documentHighlightProvider, languageFeaturesService.multiDocumentHighlightProvider, contextKeyService, textModelService, codeEditorService, configurationService, logService);
 			}
 		};