Enable w-swap's reflection in active_filters.html

Missed this in 88bdd397cfb328e94cfde371c76289003ea59563

wagtail/admin/templates/wagtailadmin/shared/active_filters.html

@@ -11,6 +11,7 @@
                 data-action="click->w-swap#replaceLazy"
                 data-w-swap-src-value="{{ filter.removed_filter_url }}"
                 data-w-swap-target-value="#listing-results"
+                data-w-swap-reflect-value="true"
                 class="w-pill__remove"
                 aria-label="{% trans 'Clear' %}">
                 {% icon name="cross" classname="w-h-4 w-w-4" %}

wagtail/admin/tests/pages/test_explorer_view.py

@@ -59,6 +59,7 @@ class TestPageExplorer(WagtailTestUtils, TestCase):
         self.assertEqual(active_filter.get_text(separator=" ", strip=True), text)
         self.assertIsNotNone(clear_button)
         self.assertNotIn(param, clear_button.attrs.get("data-w-swap-src-value"))
+        self.assertEqual(clear_button.attrs.get("data-w-swap-reflect-value"), "true")
 
     def test_explore(self):
         explore_url = reverse("wagtailadmin_explore", args=(self.root_page.id,))