Adding event filtering. Only AddToCart events should be deferred in c…

…ase `cart redirect after add` option is active.

facebook-commerce-pixel-event.php

@@ -283,11 +283,13 @@ public function get_event_script( $event_name, $params, $method = 'track' ) {
 		 * @param string $method     Name of the pixel's fbq() function to call.
 		 */
 		public function inject_event( $event_name, $params, $method = 'track' ) {
-			// If we have add to cart redirect enabled, we must defer the events to render them the next page load.
-			$should_defer = 'yes' === get_option( 'woocommerce_cart_redirect_after_add', 'no' );
 			if ( WC_Facebookcommerce_Utils::isWoocommerceIntegration() ) {
 				$code = $this->get_event_code( $event_name, self::build_params( $params, $event_name ), $method );
-				if ( $should_defer ) {
+
+				// If we have add to cart redirect enabled, we must defer the AddToCart events to render them the next page load.
+				$is_redirect    = 'yes' === get_option( 'woocommerce_cart_redirect_after_add', 'no' );
+				$is_add_to_cart = 'AddToCart' === $event_name;
+				if ( $is_redirect && $is_add_to_cart ) {
 					WC_Facebookcommerce_Utils::add_deferred_event( $code );
 				} else {
 					WC_Facebookcommerce_Utils::wc_enqueue_js( $code );