Merge pull request #1480 from GSA/1464-switch-to-the-new-withnav_template

Switch to the new withnav_template

app/templates/new/components/flash_messages.html

@@ -0,0 +1,24 @@
+{% from "components/banner.html" import banner %}
+{% with messages = get_flashed_messages(with_categories=true) %}
+  {% if messages %}
+    {% for category, message in messages %}
+      {% if category in ['cancel', 'delete', 'suspend', 'resume', 'remove', 'revoke this API key'] %}
+        {% set delete_button_text = "Yes, {}".format(category) %}
+      {% elif category == 'try again' %}
+        {% set delete_button_text = category|capitalize %}
+      {% else %}
+        {% set delete_button_text = None %}
+      {% endif %}
+      <div class="bottom-gutter">
+        {{ banner(
+          message if message is string else message[0],
+          'default' if ((category == 'default') or (category == 'default_with_tick')) else 'dangerous',
+          delete_button=delete_button_text,
+          with_tick=True if category == 'default_with_tick' else False,
+          context=message[1] if message is not string,
+          thing=message[2] if message is not string and message[2]
+        )}}
+      </div>
+    {% endfor %}
+  {% endif %}
+{% endwith %}