Fix #31558

src/vs/workbench/parts/preferences/browser/preferencesRenderers.ts

@@ -999,26 +999,23 @@ class UnsupportedWorkbenchSettingsRenderer extends Disposable {
 	}
 
 	public render(): void {
-		this.editor.changeDecorations(changeAccessor => this.decorationIds = changeAccessor.deltaDecorations(this.decorationIds, []));
-
+		const ranges: IRange[] = [];
 		const configurationRegistry = Registry.as<IConfigurationRegistry>(ConfigurationExtensions.Configuration).getConfigurationProperties();
-		const folderKeys = this.configurationService.keys({ resource: this.workspaceSettingsEditorModel.uri }).folder;
-		const workbenchKeys = folderKeys.filter(key => configurationRegistry[key] && configurationRegistry[key].scope === ConfigurationScope.WINDOW);
-		if (workbenchKeys.length) {
-			const ranges: IRange[] = [];
-			for (const unsupportedKey of workbenchKeys) {
-				const setting = this.workspaceSettingsEditorModel.getPreference(unsupportedKey);
-				if (setting) {
-					ranges.push({
-						startLineNumber: setting.keyRange.startLineNumber,
-						startColumn: setting.keyRange.startColumn - 1,
-						endLineNumber: setting.valueRange.endLineNumber,
-						endColumn: setting.valueRange.endColumn
-					});
+		for (const settingsGroup of this.workspaceSettingsEditorModel.settingsGroups) {
+			for (const section of settingsGroup.sections) {
+				for (const setting of section.settings) {
+					if (configurationRegistry[setting.key] && configurationRegistry[setting.key].scope === ConfigurationScope.WINDOW) {
+						ranges.push({
+							startLineNumber: setting.keyRange.startLineNumber,
+							startColumn: setting.keyRange.startColumn - 1,
+							endLineNumber: setting.valueRange.endLineNumber,
+							endColumn: setting.valueRange.endColumn
+						});
+					}
 				}
 			}
-			this.editor.changeDecorations(changeAccessor => this.decorationIds = changeAccessor.deltaDecorations(this.decorationIds, ranges.map(range => this.createDecoration(range, this.editor.getModel()))));
 		}
+		this.editor.changeDecorations(changeAccessor => this.decorationIds = changeAccessor.deltaDecorations(this.decorationIds, ranges.map(range => this.createDecoration(range, this.editor.getModel()))));
 	}
 
 	private static _DIM_CONFIGUARATION_ = ModelDecorationOptions.register({