ENGCOM-5760: Adding out of stock items to wishlist shows success message but fails #21519 #24300

 - Merge Pull Request #24300 from Rus0/magento2:ISSUE-21519
 - Merged commits:
   1. 8048c09
   2. 8f491d3
   3. 91f8f88
   4. 6753604
   5. 71d1ebc
   6. 9a1b781
   7. 964105c

Author: magento-engcom-team