Resolves #1235 Product remains published if the stock quantity is equ…

…al to the minimum stock quantity and the low stock activity is set to "unpublish"

(cherry picked from commit 2ad8edd)

src/Smartstore.Core/Catalog/Products/Services/ProductService.cs

@@ -284,7 +284,7 @@ public virtual async Task<AdjustInventoryResult> AdjustInventoryAsync(Product pr
                             newDisableWishlistButton = product.MinStockQuantity >= result.StockQuantityNew;
                             break;
                         case LowStockActivity.Unpublish:
-                            newPublished = product.MinStockQuantity <= result.StockQuantityNew;
+                            newPublished = product.MinStockQuantity < result.StockQuantityNew;
                             break;
                     }