Backup and or restore doesn't work at all

Miui 11 android 10 this is fdroid, but it was the problem on GP too

A long time ago i reported an issue that convinced me i have made a mistake or typo in password entering. https://git.jami.net/savoirfairelinux/ring-client-android/issues/836

Reproduced it with backuping on jami app with success

making an app clone or jami-2

entering backup from file with right password

it lies that that account doesn't exist, even if that account is online and if offline

the reason i didn't try to believe device wasn't compromised or that i didn't make a typo is that i would never think that a gnu stabile project could have this kind of bug. But i gave it a chance multiple times, and i guess its closely connected with jami-android-backup-button as i remember, i may be wrong

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