Cannot transfer account without a name to a new device

[paulmdavies]

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• This issue is present in the app downloaded from the App Store.
• This issue is with the [Github version][opensource] of the app.

Describe the bug
When transferring accounts to a new device, if an account doesn't have a name (displays in the app as " ()"), the transfer will fails

To Reproduce
Steps to reproduce the behavior:

1. Add an account with no name
2. Go to export, selecting just that account for export
3. On another device, scan the QR code in import
4. Transfer will fail with "Could not interpret QR code" or similar

Expected behavior
The account should be transferred correctly.

Smartphone (please complete the following information):

• Device: Google Pixel 4a
• OS: Android 11

Additional context
Adding a name will make the transfer succeed