ssb: Don't miss contact messages that aren't followed by non-follow messages.

apps/ssb/tf-news.js

@@ -173,6 +173,12 @@ class TfNewsElement extends LitElement {
 				result.push(message);
 			}
 		}
+		if (group.length > 0) {
+			result.push({
+				type: 'contact_group',
+				messages: group,
+			});
+		}
 		return result;
 	}