WooCommerce Lightspeed POS - V2.9.0

* Tweak - Make getters for wclsi-lightspeed-prod class public for use with filters

* Tweak - Add reason for skipping job to debug log

* Fix   - Compare last check timestamp to max window time stamp instead of max window date when running item poller

* Fix   - Get polling interval from settings instead of defaulting to 5 seconds when no last sync timestamp is found

* Fix   - Check if update type is inventory instead of assigning inventory as the update type when logging a successful poll

* Fix - Solves an issue where images were being replaced on import rather than adding a new image to the gallery

* Fix - Properly count number of tax rates generated during tax rate export

* Fix - Check if more than 100 products have been updated when polling Lightspeed for item updates

* Tweak - Allow removal of the default WooCommerce category rather than the "uncategorized" category

* Tweak - Clarify that sales syncing will not work with inclusive tax rates

* Tweak - Log error if inserting attachment fails during image import

Fix - catches and logs error if creating new wp attachment fails when importing images

* New - checks if featured image is in the product gallery and remove it if it is

* New - logs new inventory when auto-poll updates a product

* New - logs manual updates to wclsi sync event log

* Fix - reconnects item shops if the data already exists when relinking products

* Fix - import variation images

* Fix - adds notice to product page if images are still downloading for the product

* Fix - checks for existence of tax rate id before querying for associated lightspeed id

* Fix - handles cases where lightspeed api returns employee data in unexpected formats

* Fix - addresses an issue where image syncs were getting skipped for matrix product updates

* Tweak - no longer adds the featured image to the product gallery

Fix - add handle archived products option to woo product sync settings