Fix WooCommerce/CheckoutWC Purchase Event Tracking (Meta Pixel + Klaviyo)

Our Meta Pixel and Klaviyo integrations are not reliably receiving the “Purchase” event when an order completes, and when the event does fire, the purchase amount/value is missing or incorrect. Issues... (Budget: $10 - $30 USD, Jobs: Cloudflare, HTML, JavaScript, Klaviyo, Meta Pixel, PHP, WooCommerce, WordPress)