Set and update aria-hidden attribute
Set and update aria-hidden attribute

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