CWA-990: small fix, it was creating the validation error messages array for clubcard out of the error cases, so it was showing an empty line when there were no Clubcard errors.
CWA-990: small fix, it was creating the validation error messages array for clubcard out of the error cases, so it was showing an empty line when there were no Clubcard errors.

iQuarK/client-web-app.js,iQuarK/client-web-app.js,iQuarK/client-web-app.js,blinkboxbooks/client-web-app.js,iQuarK/client-web-app.js,blinkboxbooks/client-web-app.js