WooCommerce Memberships 1.26.10

* Fix - Propose the original variation of the variable product that granted access when renewing a membership, if available
* Fix - Ensure accented characters are displayed properly in restricted content excerpts
* Misc - Explicitly require PHP DOM extension

* Fix - Ensure that newly created Membership Plans can be correctly published
* Fix - Correctly handle long posts or product names in a membership plan rules search field

* Feature - Add a Member content block editor to display content to members only (WordPress 5.2+)
* Feature - Add a Non-member content block to display content to non-members only (WordPress 5.2+)
* Tweak - Instead of standard WordPress emails, send WooCommerce "New Account" email to users created when importing members and customer notification is enabled in import preferences
* Tweak - Alert merchants and ask for confirmation when setting blanket restriction or discount rules to a membership plan
* Tweak - When trashing a product that may grant access to a membership plan, alert the shop manager with a warning
* Fix - Product variations whose variable parent has been forced public should also be made available for purchase despite restriction rules
* Fix - Ensure Next Bill On dates are correctly displayed in My Account when a membership is linked to a subscription