Add some more columns (hidden by default) (references https://github.com/grocy/grocy/issues/1058#issuecomment-744059155)

public/viewjs/products.js

@@ -3,6 +3,7 @@
 	'columnDefs': [
 		{ 'orderable': false, 'targets': 0 },
 		{ 'searchable': false, "targets": 0 },
+		{ 'visible': false, 'targets': 7 },
 		{ "type": "html-num-fmt", "targets": 3 }
 	].concat($.fn.dataTable.defaults.columnDefs)
 });