[Crypto to fiat] Spaces aren't trimmed in the IBAN field

[olgapod]

Steps to reproduce

1. Open manage account - Crypto to fiat
2. Open "Add Bank details" form
3. Navigate to the IBAN input field and enter (PL43 1020 4027 0000 1702 0000 0000)
4. Submit the form

Expected behaviour

• Spaces should be automatically trimmed from the IBAN input

Actual behaviour

• The IBAN is accepted with spaces, causing validation issues

[iamsamgibbs]

There is already an issue for this @olgapod :) #2961