src/vs/editor/standalone/browser/standaloneCodeEditor.ts/StandaloneDiffEditor/updateOptions
class StandaloneDiffEditor:	public override updateOptions(newOptions: Readonly<IDiffEditorOptions & IGlobalEditorOptions>): void {
		updateConfigurationService(this._configurationService, newOptions, true);
		if (typeof newOptions.theme === 'string') {
			this._standaloneThemeService.setTheme(newOptions.theme);
		}
		if (typeof newOptions.autoDetectHighContrast !== 'undefined') {
			this._standaloneThemeService.setAutoDetectHighContrast(Boolean(newOptions.autoDetectHighContrast));
		}
		super.updateOptions(newOptions);
	}