Pass task chooser URL via data attribute instead of chooserUrls

wagtail/admin/static_src/wagtailadmin/js/task-chooser.js

@@ -6,7 +6,7 @@ function createTaskChooser(id) {
 
     $('.action-choose', chooserElement).on('click', function() {
         ModalWorkflow({
-            url: window.chooserUrls.taskChooser,
+            url: chooserElement.data('chooserUrl'),
             onload: TASK_CHOOSER_MODAL_ONLOAD_HANDLERS,
             responses: {
                 taskChosen: function(data) {

wagtail/admin/templates/wagtailadmin/pages/_editor_js.html

@@ -12,7 +12,6 @@
         'emailLinkChooser': '{% url "wagtailadmin_choose_page_email_link" %}',
         'phoneLinkChooser': '{% url "wagtailadmin_choose_page_phone_link" %}',
         'anchorLinkChooser': '{% url "wagtailadmin_choose_page_anchor_link" %}',
-        'taskChooser': '{% url "wagtailadmin_workflows:task_chooser" %}',
     };
     window.unicodeSlugsEnabled = {% if unicode_slugs_enabled %}true{% else %}false{% endif %};
 </script>

wagtail/admin/templates/wagtailadmin/workflows/widgets/task_chooser.html

@@ -1,5 +1,6 @@
 {% extends "wagtailadmin/widgets/chooser.html" %}
 {% block chooser_class %}task-chooser{% endblock %}
+{% block chooser_attributes %}data-chooser-url="{% url "wagtailadmin_workflows:task_chooser" %}"{% endblock %}
 
 {% block chosen_state_view %}
     <span class="name">{{ task.name }}</span>