Enable indent rule and fix indent

Signed-off-by: Šimon Brandner <simon.bra.ag@gmail.com>

src/async-components/views/dialogs/security/ExportE2eKeysDialog.js

@@ -170,8 +170,11 @@ export default class ExportE2eKeysDialog extends React.Component {
                         </div>
                     </div>
                     <div className='mx_Dialog_buttons'>
-                        <input className='mx_Dialog_primary' type='submit' value={_t('Export')}
-                             disabled={disableForm}
+                        <input
+                            className='mx_Dialog_primary'
+                            type='submit'
+                            value={_t('Export')}
+                            disabled={disableForm}
                         />
                         <button onClick={this._onCancelClick} disabled={disableForm}>
                             { _t("Cancel") }