Fix up fieldset templates. Closes #2039

rest_framework/templates/rest_framework/horizontal/fieldset.html

@@ -6,6 +6,8 @@
         </div>
     {% endif %}
     {% for nested_field in field %}
-        {% render_field nested_field template_pack=template_pack renderer=renderer %}
+        {% if not nested_field.read_only %}
+            {% render_field nested_field style=style %}
+        {% endif %}
     {% endfor %}
 </fieldset>

rest_framework/templates/rest_framework/inline/fieldset.html

 {% load rest_framework %}
 {% for nested_field in field %}
-    {% render_field nested_field template_pack=template_pack renderer=renderer %}
+    {% if not nested_field.read_only %}
+        {% render_field nested_field style=style %}
+    {% endif %}
 {% endfor %}

rest_framework/templates/rest_framework/vertical/fieldset.html

@@ -2,6 +2,8 @@
 <fieldset>
     {% if field.label %}<legend {% if style.hide_label %}class="sr-only"{% endif %}>{{ field.label }}</legend>{% endif %}
     {% for nested_field in field %}
-        {% render_field nested_field template_pack=template_pack renderer=renderer %}
+        {% if not nested_field.read_only %}
+            {% render_field nested_field style=style %}
+        {% endif %}
     {% endfor %}
 </fieldset>