Hello Wojciech Napierała,
Thank you for posting in Q&A forum.
After my research, there is no such setting or permission corresponding to the "Protect object from accidental deletion" option.
You can try to set it on Domain Controller via the steps in the following similar thread.
Right click domain name and select Properties and Security tab, then click Advanced button and Add button.
Principal: Everyone
Type: Deny
Applies to: Descendant User objects
And check the permissions blow:
I hope the information above is helpful.
If you have any questions or concerns, please feel free to let us know.
Best Regards,
Daisy Zhou
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