Permissions Controller Issue When Changing QR Wallets

[montelaidev]

When a user attempts to switch QR wallets while using the same dapp, the permissions controller generates an error message stating that an account cannot be found. This 'missing' account belongs to the previous QR wallet and remains lodged in the state of the permissions controller.

Steps To Replicate:

1. Create an account with the imToken Qr wallet
2. Connect to the test dapp
3. Forget the qr device
4. Connect with a Keystone QR wallet
5. See the following error