Unfortunately, that will not help much. I do, of course, believe you that you had access to that wallet. But nobody can give you access to it back without the correct seed phrase. And the pictures do not prove, which seed phrase was used.
Nami has to store it/them. Otherwise, they would have to require the seed phrase again for each transaction. They are probably and hopefully encrypted by the spending password (that’s the whole purpose of it). And they will be somwehere in the local storage of your browser profile.