FIX: Don't stop youtube videos from playing on cloak

app/assets/javascripts/discourse/widgets/post-small-action.js.es6

@@ -24,6 +24,7 @@ const icons = {
 };
 
 export default createWidget('post-small-action', {
+  buildKey: attrs => `post-small-act-${attrs.id}`,
   tagName: 'div.small-action.onscreen-post.clearfix',
 
   buildId(attrs) {

app/assets/javascripts/discourse/widgets/post-stream.js.es6

@@ -1,7 +1,6 @@
 import { createWidget } from 'discourse/widgets/widget';
 import transformPost from 'discourse/lib/transform-post';
 import { Placeholder } from 'discourse/lib/posts-with-placeholders';
-import { h } from 'virtual-dom';
 import { addWidgetCleanCallback } from 'discourse/components/mount-widget';
 
 const CLOAKING_ENABLED = !window.inTestEnv;
@@ -86,9 +85,11 @@ export default createWidget('post-stream', {
 
       const height = _cloaked[post.id];
       if (height) {
-        result.push(h('div.cloaked-post', { id: `post_${post.post_number}`,
-                                            attributes: { style: `height: ${height}px` } }));
-      } else if (transformed.isSmallAction) {
+        transformed.cloaked = true;
+        transformed.height = height;
+      }
+
+      if (transformed.isSmallAction) {
         result.push(this.attach('post-small-action', transformed, { model: post }));
       } else {
         result.push(this.attach('post', transformed, { model: post }));

app/assets/javascripts/discourse/widgets/post.js.es6

@@ -378,7 +378,14 @@ export default createWidget('post', {
   buildKey: attrs => `post-${attrs.id}`,
   shadowTree: true,
 
+  buildAttributes(attrs) {
+    if (attrs.cloaked) {
+      return { style: `height: ${attrs.height}px` };
+    }
+  },
+
   buildClasses(attrs) {
+    if (attrs.cloaked) { return 'cloaked-post'; }
     const classNames = ['topic-post', 'clearfix'];
 
     if (attrs.selected) { classNames.push('selected'); }
@@ -397,6 +404,8 @@ export default createWidget('post', {
   },
 
   html(attrs) {
+    if (attrs.cloaked) { return 'cloaked'; }
+
     return this.attach('post-article', attrs);
   },