fix form error rendering

netbox/templates/utilities/render_errors.html

@@ -1,20 +1,25 @@
 {% load form_helpers %}
+{% load helpers %}
 
 {% if form.errors or form.non_field_errors %}
 <div class="alert alert-danger mt-3" role="alert">
   <h4 class="alert-heading">Errors</h4>
+  {% if form.errors %}
   <hr />
+  {% endif %}
   <div class="ps-2">
     {% if form.errors %}
     {% for field_name, errors in form.errors.items %}
-    {% with field=form|getfield:field_name %}
-    <strong>{{ field.label }}</strong>
-        <ul>
-        {% for error in errors %}
-            <li>{{ error }}</li>
-        {% endfor %}
-        </ul>
-    {% endwith %}
+    {% if not field_name|startswith:'__' %}
+      {% with field=form|getfield:field_name %}
+      <strong>{{ field.label }}</strong>
+          <ul>
+          {% for error in errors %}
+              <li>{{ error }}</li>
+          {% endfor %}
+          </ul>
+      {% endwith %}
+    {% endif %}
     {% endfor %}
     {% endif %}
     {% if form.non_field_errors %}