Walmart: Tracking Now Pushes On Fulfill Again

Shipment tracking for Walmart orders is reaching Walmart again on fulfill. When Walmart orders moved to the V2 fulfillment path, the per-fulfillment shipment-info push wasn't wired up on the Walmart integration — the way Amazon, Shopify, Rithum, and Faire were — so tracking silently stopped syncing on fulfill. The manual Push Shipment Information button was unaffected. The per-fulfillment push is now in place for Walmart alongside the others.