WooCommerce Memberships 1.26.9

* Tweak - The `{products}` merge tag can be used also in the "Member discount login message" to display products that may grant access to plans with member discounts
* Tweak - Display a more accurate member last active information in the User Memberships admin screens to match WooCommerce customer last active timestamp
* Fix - Prevent table alias missing notice from showing when visiting the comments page in admin
* Fix - Profile field labels should override the field name when set and displayed to the member
* Fix - When increasing the specific delay access of a Member Content block via the corresponding number input, ensure that the delay access increment can go beyond 10 units without error
* Fix - Do not apply member discounts while quick-editing a product if the admin is eligible
* Fix - Profile field labels should override the field name when set and displayed to the member in the Members Area
* Dev - Apply `the_excerpt` filter to the excerpt of restricted content

* Fix - Check for public plans instead of private plans when outputting shortcodes while the `plans` attribute is used

* Fix - Do not show members belonging to plans with private statuses in the Member Directory block or shortcode output
* Fix - Allow dynamic properties in `WC_Memberships_Emails` to avoid PHP notices with recent versions of PHP
* Dev - Add filters to tweak the plan statuses considered private