Minor display bug in product backend

Setup:

In Joomla backend, Hikashop / Product you'll need to have 2 different categories:

a) Category 1 with more than 20 products (using Display 20 products per page option).

b) Category 2 with less than 20 products in it.

Steps to replicate:

1. In Joomla backend, Hikashop / Product, display Page 2 of products in Category 1.
2. Navigate to the products in Category 2.
3. See that NO products are visible in Category 2 (although there are some in it).

Notes:

It looks to me that in step 2) Hikashop is trying to display Page 2 of the products in Category 2 - but such page obviously doesn't exist for this particular category.

Fix worked for me. Thanks.

One thing we've discovered with this one, is that now we're always returned to the first page of the product list, even with scenarios such as:

1. Display list of products (20 per page).
2. Click on third page and pick a product from it.
3. Edit a product save or cancel --> you're returned to first page and NOT a third page.

Is it a unintended consequence of the fix below or different problem?

Thanks Nicolas, working like charm.