Revert "FIX: Give the topic timeline unique keys for state"

Revert “FIX: Give the topic timeline unique keys for state”

This reverts commit b246a63a5922321eb63d28a191a0cde3f1152f21.

diff --git a/app/assets/javascripts/discourse/app/widgets/topic-timeline.js b/app/assets/javascripts/discourse/app/widgets/topic-timeline.js
index 85b088f..0314981 100644
--- a/app/assets/javascripts/discourse/app/widgets/topic-timeline.js
+++ b/app/assets/javascripts/discourse/app/widgets/topic-timeline.js
@@ -144,7 +144,7 @@ createWidget("timeline-padding", {
 
 createWidget("timeline-scrollarea", {
   tagName: "div.timeline-scrollarea",
-  buildKey: (attrs) => `timeline-scrollarea-${attrs.topic.id}`,
+  buildKey: () => `timeline-scrollarea`,
 
   buildAttributes() {
     return { style: `height: ${scrollareaHeight()}px` };
@@ -411,7 +411,7 @@ createWidget("timeline-footer-controls", {
 export default createWidget("topic-timeline", {
   tagName: "div.topic-timeline",
 
-  buildKey: (attrs) => `topic-timeline-area-${attrs.topic.id}`,
+  buildKey: () => "topic-timeline-area",
 
   defaultState() {
     return { position: null, excerpt: null };

GitHub sha: 4e0a43f2117ac83bcf7e0f9bed65370f6c4c15bb

This commit appears in #14316 which was approved by tshenry. It was merged by eviltrout.