Woocommerce Local Pickup Plus 2.11.7

* Fix - Address an issue where pickup appointment field was not displayed for product variations when the parent product was not available on all pickup locations
* Fix - Ensure pickup location field is not displayed to virtual product variations when the parent product is not virtual

* Fix - Compatibility issue with WooCommerce 2.6.14 introduced in version 2.3.0
* Fix - Ensure that virtual items are skipped when building packages

* Fix - Ensure merging packages tries to retain selected pickup location
* Fix - Ensure the "Click to ship this item/these items" link is not shown when no shipping methods are available
* Fix - Ensure pickup location is not reset if Local Pickup Plus is the only available method and "Ship Items" is the default cart item handling mode
* Fix - Ensure pickup location field correctly displays placeholders when no selection has been made
* Fix - Ensure only a single pickup package is created at checkout when using per-order location with automatic grouping