Use clipboard icon

wagtail/admin/templates/wagtailadmin/reports/workflow.html

@@ -9,7 +9,7 @@
         <div class="row nice-padding">
             <div class="left">
                 <div class="col header-title">
-                    <h1 class="icon icon-placeholder">{% trans "Workflows" %}</h1>
+                    <h1 class="icon icon-{{ header_icon }}">{% trans "Workflows" %}</h1>
                 </div>
             </div>
             <div class="right">

wagtail/admin/templates/wagtailadmin/reports/workflow_tasks.html

@@ -10,7 +10,7 @@
         <div class="row nice-padding">
             <div class="left">
                 <div class="col header-title">
-                    <h1 class="icon icon-placeholder">Workflows</h1>
+                    <h1 class="icon icon-{{ header_icon }}">Workflows</h1>
                 </div>
             </div>
             <div class="right">

wagtail/admin/views/reports.py

@@ -276,7 +276,7 @@ class LockedPagesView(PageReportView):
 class WorkflowView(ReportView):
     template_name = 'wagtailadmin/reports/workflow.html'
     title = _('Workflow')
-    header_icon = 'placeholder'
+    header_icon = 'clipboard-list'
 
     def get_queryset(self):
         pages = UserPagePermissionsProxy(self.request.user).editable_pages()
@@ -286,7 +286,7 @@ class WorkflowView(ReportView):
 class WorkflowTasksView(ReportView):
     template_name = 'wagtailadmin/reports/workflow_tasks.html'
     title = _('Workflow')
-    header_icon = 'placeholder'
+    header_icon = 'clipboard-list'
 
     def get_queryset(self):
         pages = UserPagePermissionsProxy(self.request.user).editable_pages()

wagtail/admin/wagtail_hooks.py

@@ -660,7 +660,7 @@ def register_locked_pages_menu_item():
 
 @hooks.register('register_reports_menu_item')
 def register_workflow_report_menu_item():
-    return WorkflowReportMenuItem(_('Workflows'), reverse('wagtailadmin_reports:workflow'), classnames='icon icon-placeholder', order=800)
+    return WorkflowReportMenuItem(_('Workflows'), reverse('wagtailadmin_reports:workflow'), classnames='icon icon-clipboard-list', order=800)
 
 
 @hooks.register('register_admin_menu_item')