YITH WooCommerce Gift Cards Premium 4.10.0

* New: Support to WooCommerce 3.9
* Tweak: when it is the "gift this product" email, now only display the suggested product button, to avoid confusion with the default gift card button
* Tweak: changes in the gift card template
* Tweak: improve function ywgc_custom_condition_to_create_gift_card_call_back
* Update: plugin framework
* Fix: fixed Flatsome integration when parent theme is Flatsome
* Fix: fixed a possible issue with the preview currency symbol
* Fix: fixed the discount message not displayed in the physical gift cards
* Fix: changed the method to call the gift card form in cart and checkout
* Fix: fixed a string in the gift cards menu of my account to get it correctly in the language file
* Fix: removing Date column only from Gift Cards post type table
* Dev: new hook for the gift card template 'yith_wcgc_template_before_logo'

* New: Support to WooCommerce 3.9 beta 1
* New: Added new option in the general settings to avoid the use of gift card codes on the gift card products
* New: added new option to allow Shop Manager to manage the plugin settings
* Tweak: added styles to the display form shortcode to fit with Elementor
* Update: updated .pot
* Update: updated Spanish language
* Update: French language (thanks to Christophe Ferrandon)
* Update: updated plugin fw
* Fix: fixed the custom image not displayed when the gallery is disabled
* Fix: fixed minor issues
* Fix: fixed the selected image not displayed as the product image
* Fix: fixed an issue with the cart image
* Fix: display the values in the shortcodes as prices
* Fix: fixed the email width issue
* Fix: now is not possible to enter the same code in gift card field and in the coupons one
* Fix: fixed warning when apply the gift card using a link
* Fix: fixed minor issue in the cart message
* Fix: fixed a null object error
* Fix: added some strings to the domain
* Fix: fixed an issue with the popup close button
* Dev: changed the product name by the product title in the form preview
* Dev: added the add gift button on gift this product translatable
* Dev: minor changes in the admin settings
* Remove: removed the view button in the gift card taxonomy

* New: added upload section in the design modal
* Fix: added recipient name for physical gift cards
* Fix: removed the gift this product button still showing in the shop page
* Fix: fixing the preview not updated properly on the manual amount
* Fix: minor issues
* Dev: new filter 'yith_wcgc_show_in_menu_cpt'
* Dev: changed the filter names for each list of options
* Dev: added the settings strings to the WPML track