fix ordering on search, copy note

Signed-off-by: William Casarin <jb55@jb55.com>

damus/Models/SearchModel.swift

@@ -41,7 +41,7 @@ class SearchModel: ObservableObject {
             return
         }
         
-        if insert_uniq_sorted_event(events: &self.events, new_ev: ev) {
+        if insert_uniq_sorted_event(events: &self.events, new_ev: ev, cmp: { $0.created_at > $1.created_at } ) {
             objectWillChange.send()
         }
     }