814 - Adding alert component to CSV error area

app/assets/javascripts/errorBanner.js

@@ -12,6 +12,5 @@
     hideBanner: () => $('.banner-dangerous').addClass('display-none'),
     showBanner: () => $('.banner-dangerous')
       .removeClass('display-none')
-      .trigger('focus'),
   };
 })(window);

app/assets/javascripts/fileUpload.js

@@ -15,9 +15,9 @@
 
       // The label gets styled like a button and is used to hide the native file upload control. This is so that
       // users see a button that looks like the others on the site.
-// 
-      this.$form.find('label.file-upload-button').addClass('usa-button margin-bottom-1');
 
+      this.$form.find('label.file-upload-button').addClass('usa-button margin-bottom-1').attr( {role: 'button', tabindex: '0'} );
+      
       // Clear the form if the user navigates back to the page
       $(window).on("pageshow", () => this.$form[0].reset());
 

app/assets/javascripts/main.js

@@ -16,8 +16,6 @@ $(() => GOVUK.modules.start());
 
 $(() => $('.error-message, .usa-error-message').eq(0).parent('label').next('input').trigger('focus'));
 
-$(() => $('.banner-dangerous').eq(0).trigger('focus'));
-
 $(() => $('.govuk-header__container').on('click', function() {
   $(this).css('border-color', '#005ea5');
 }));