Set focus for error example pages
Set focus for error example pages

If there is an error summary, set focus to the summary - otherwise,
set focus to the first input (to cover both text input and radios or
checkboxes)

alphagov/govuk_elements,joelanman/govuk_elements,alphagov/govuk_elements,gavboulton/govuk_elements,TFOH/govuk_elements,joelanman/govuk_elements,TFOH/govuk_elements,alphagov/govuk_elements,gavboulton/govuk_elements,alphagov/govuk_elements,gavboulton/govuk_elements,gavboulton/govuk_elements