Open review and determination forms in new tab/window.

opentech/apply/determinations/templates/determinations/includes/determination_button.html

 {% load determination_tags workflow_tags %}
 {% if request.user|show_determination_button:submission %}
-    <a href="{% url 'apply:submissions:determinations:form' submission_pk=submission.id %}" class="button button--primary button--full-width">
+    <a target="_blank" href="{% url 'apply:submissions:determinations:form' submission_pk=submission.id %}" class="button button--primary button--full-width">
         {% if submission.determination.is_draft %}Update draft{% else %}Add determination{% endif %}
     </a>
 {% endif %}

opentech/apply/review/templates/review/includes/review_button.html

 {% load review_tags workflow_tags %}
 {% if request.user|has_review_perm:submission %}
     {% if request.user|has_draft:submission or request.user|can_review:submission %}
-        <a href="{% url 'apply:submissions:reviews:form' submission_pk=submission.id %}" class="button button--primary {{ class }}">
+        <a target="_blank" href="{% url 'apply:submissions:reviews:form' submission_pk=submission.id %}" class="button button--primary {{ class }}">
             {% if request.user|has_draft:submission %}
                 Update draft
             {% elif request.user|can_review:submission %}