Ultimate Membership Pro 12.9

- Fix WooCommerce Product Discount module workflow
- Fix [ihc-select-level] shortcode attributes workflow
- Improve Stripe Checkout payment for limited recurring subscriptions
- Improve WP Role restriction access

- Improve Stripe Checkout Cancel process
- Improve Stripe API compatibility
- Improve JS front-end workflow
- Improve Coupon discount for Limited level type on Stripe
- Fix List Access Posts limit workflow
- Fix API Gate "get_user_posts" call workflow
- Fix Warnings during user editing process
- Fix Level Badges display on front-end
- Fix Woo Payment Integration module
- Fix Account Page top message default value
- ADD extra CSS style on front-end
- Update Languages files

Fixed: License was not working (Thanks to @Hirostein for the report #69 )