Badges use secondary BG by default; add custom option

netbox/templates/generic/object_list.html

@@ -34,7 +34,7 @@
         <li class="nav-item" role="presentation">
           <button class="nav-link" id="filters-form-tab" data-bs-toggle="tab" data-bs-target="#filters-form" type="button" role="tab" aria-controls="object-list" aria-selected="false">
             Filters
-            {% if filter_form %}{% badge filter_form.changed_data|length %}{% endif %}
+            {% if filter_form %}{% badge filter_form.changed_data|length bg_class="primary" %}{% endif %}
           </button>
         </li>
       {% endif %}

netbox/templates/utilities/templatetags/badge.html

@@ -1 +1 @@
-{% if value or show_empty %}<span class="badge bg-primary">{{ value }}</span>{% endif %}
+{% if value or show_empty %}<span class="badge bg-{{ bg_class }}">{{ value }}</span>{% endif %}

netbox/utilities/templatetags/helpers.py

@@ -386,12 +386,13 @@ def tag(tag, url_name=None):
 
 
 @register.inclusion_tag('utilities/templatetags/badge.html')
-def badge(value, show_empty=False):
+def badge(value, bg_class='secondary', show_empty=False):
     """
     Display the specified number as a badge.
     """
     return {
         'value': value,
+        'bg_class': bg_class,
         'show_empty': show_empty,
     }