Smart Manager For WooCommerce 8.49.0

* New: WordPress v5.8.1 compatible
* Update: Allow editing for 'date' & 'datetime' fields by typing dates in addition to selecting using Datepicker
* Update: Enabled advanced search for searching attribute values at product variation level
* Update: Enabled bulk editing of attribute values at product variation level (Pro)
* Fix: Inline edit for 'Product attributes' field not working properly in some cases
* Fix: Incorrect value placeholder for 'set time to' action in Bulk Edit (Pro)
* Update: POT file
* Fix: Some minor fixes

* Fix: Able to set regular price as '0' even when the sale price is set using inline edit
* Fix: Able to set sale price greater than regular price using bulk edit (Pro)
* Update: POT file
* Fix: Some minor fixes

* New: Compatibility with [Germanized for WooCommerce](https://wordpress.org/plugins/woocommerce-germanized/) (Pro)
* Fix: Inline edit not saving all changes when trying to update more than one meta fields like 'Regular Price' & 'Stock' in some cases
* Update: POT file
* Fix: Some minor fixes