src/vs/workbench/contrib/codeEditor/browser/diffEditorHelper.ts/DiffEditorHelperContribution/_onDidClickHelperWidget
class DiffEditorHelperContribution:	private _onDidClickHelperWidget(): void {
		if (this._state === WidgetState.HintWhitespace) {
			this._configurationService.updateValue('diffEditor.ignoreTrimWhitespace', false);
		}
	}