Our theme have different look for WooCommerce responsive table. If you want to disable it, you need to remove this class shop_table_responsive from the quote table https://gyazo.com/e33ba377e9d1dd3a629514f75f83cae5
We don’t know an exact file in the plugin that contains this table.
As for the thumbnail, so it is hidden by the plugin itself https://gyazo.com/7df1d2a9355b29a0af1138d3e0259551