[license] [php-8.1] Also fixed an issue with the logic that checks, using a license entity, whether the associated first payment is pending.

Author: fajardoleo

includes/entities/class-fs-plugin-license.php

@@ -289,6 +289,10 @@ function is_features_enabled() {
          * @return bool
          */
         function is_first_payment_pending() {
+            if ( $this->is_lifetime() ) {
+                return false;
+            }
+
             return ( WP_FS__TIME_24_HOURS_IN_SEC >= strtotime( $this->expiration ) - strtotime( $this->created ) );
         }