Replace set_discard_if_corrupted with a set_corruption_recovery_strategy

[badboy]

enum RecoveryStrategy {
    /// Discard the corrupted data and start with an empty database
    Discard,
    /// Move the corrupted data file to `$file.corrupt` and start with an empty database
    Rename,
    /// Bubble up the error on detecting a corrupted data file
    Error,
}

See https://bugzilla.mozilla.org/show_bug.cgi?id=1645907#c11