Bulk Table Editor for WooCommerce 2.4.19

* Fix - Minor fix in saving attributes that contains space
* Dev - Moved sort icons to left of labels / names
* Dev - Other minor fixes and improvements

* Fix - Minor fix in setting featured image in Categories and images tab (JS)
* Fix - Minor fix in filter for categories
* Dev - Minor other fixes and improvements

* Fix - Improved speed of the attributes filter due to some customers have a lot of attributes.
* Fix - Fixed some issues with the language files