Looker Studio File Recovery

I am an administrator of a Google Workspace domain and I carried out the takeout, subsequently transferring ownership from one account (account1) to another (account2) and then deleting account1. Less than 20 days later, the user of account2 reported that he was unable to access the Looker files that were owned by account1. I recovered account1 to access Looker and I didn't find any files, not even in the trash. In Takeout there is no information from Looker and Looker itself does not inform anything about account recovery. How can I recover the files that were owned by account1?

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Was this ever resolved? I am encountering same problem.