DEV: the afterRender queue is too late

Since the component adds dynamic id attributes to headings that don't have ids, we need to do things a bit sooner otherwise external linking to an anchor of a heading with dynamic id will not work.

common/header.html

@@ -257,7 +257,7 @@
   })(() => {});
 
   api.decorateCooked($elem => {
-    run.scheduleOnce("afterRender", () => {
+    run.scheduleOnce("actions", () => {
       if ($elem.hasClass("d-editor-preview")) return;
       if (!$elem.parents("article#post_1").length) return;