Change the selectField on the edit template form to a radio field.

It's more stylish

app/templates/views/edit-email-template.html

@@ -1,6 +1,7 @@
 {% extends "withnav_template.html" %}
 {% from "components/textbox.html" import textbox %}
 {% from "components/page-footer.html" import page_footer %}
+{% from "components/radios.html" import radios %}
 
 {% block page_title %}
   {{ heading_action }} email template – GOV.UK Notify
@@ -21,7 +22,7 @@
         <div class="column-three-quarters">
           {{ textbox(form.template_content, highlight_tags=True, width='1-1', rows=8) }}
           {% if current_user.has_permissions([], admin_override=True) %}
-            {{ textbox(form.process_type, width='1-1') }}
+             {{ radios(form.process_type) }}
           {% endif %}
           {{ page_footer(
             'Save',