ssb: Make the close chat button work even when a chat isn't preexisting.

apps/ssb.json

@@ -1,5 +1,5 @@
 {
 	"type": "tildefriends-app",
 	"emoji": "🦀",
-	"previous": "&zJ76A1+RyfQ6zpNhfdvjWOLGt+cAwGaB4ZqEx4e2PNk=.sha256"
+	"previous": "&cANTBCvEndfHxpfZoEdwj8XPZB5CQgsktIV+bU5o/VI=.sha256"
 }

apps/ssb/tf-tab-news-feed.js

@@ -438,7 +438,6 @@ class TfTabNewsFeedElement extends LitElement {
 
 	close_private_chat() {
 		this.mark_all_read();
-		console.log(this.hash);
 		this.dispatchEvent(
 			new CustomEvent('closeprivatechat', {
 				bubbles: true,
@@ -452,6 +451,7 @@ class TfTabNewsFeedElement extends LitElement {
 				},
 			})
 		);
+		tfrpc.rpc.setHash('#');
 	}
 
 	render_close_chat_button() {