ssb: Tried to do the right lit things to prevent unnecessary re-rendering. Ended up doing a lazy JSON thing.

apps/ssb/tf-news.js

@@ -1,4 +1,4 @@
-import {LitElement, html, unsafeHTML, until} from './lit-all.min.js';
+import {LitElement, html, unsafeHTML, repeat, until} from './lit-all.min.js';
 import * as tfrpc from '/static/tfrpc.js';
 import {styles} from './tf-styles.js';
 
@@ -198,7 +198,9 @@ class TfNewsElement extends LitElement {
 		}
 		return html`
 			<div>
-				${final_messages.map(
+				${repeat(
+					final_messages,
+					(x) => x.id,
 					(x) => html`
 						<tf-message
 							.message=${x}