MC-42440: Amount attribute is not sent to Paypal

Author: krissyhiserote

app/code/Magento/Paypal/view/frontend/web/js/view/amountProviders/product.js

@@ -50,7 +50,7 @@ define([
 
             $(this.qtyFieldSelector).on('change', this._onQtyChange.bind(this));
 
-            this._updateAmount();
+            priceBox.trigger('updatePrice');
 
             return this;
         },