SUMO WooCommerce Donations 3.7.0

Tweak: Improvement made in compatibility with SUMO Subscriptions
Tweak: Improvement made in Custom CSS
Tweak: Tested with WordPress 6.4.3 & WooCommerce 8.6.1
Fix: Critical error thrown in frontend when using [fp_donation_table] shortcode

Tweak: Improvement in Predefined button on donation form.
Tweak: Tested with WordPress 6.4.1 & WooCommerce 8.3.1
Fix: Variable product donation not working properly

Tweak: Improvement made in displaying Background Color for Predefined Buttons
Tweak: Tested up to WordPress 6.1.1 and WooCommerce 7.1