insert sort, profile updates revamp

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

damus/Nostr/NostrFilter.swift

@@ -28,6 +28,10 @@ struct NostrFilter: Codable {
         case authors
     }
     
+    public static func copy(from: NostrFilter) -> NostrFilter {
+        return NostrFilter(ids: from.ids, kinds: from.kinds, referenced_ids: from.referenced_ids, pubkeys: from.pubkeys, since: from.since, until: from.until, authors: from.authors, hashtag: from.hashtag)
+    }
+    
     public static func filter_hashtag(_ htags: [String]) -> NostrFilter {
         return NostrFilter(ids: nil, kinds: nil, referenced_ids: nil, pubkeys: nil, since: nil, until: nil, authors: nil, hashtag: htags)
     }

damus/Nostr/NostrLink.swift

@@ -92,8 +92,8 @@ func decode_nostr_uri(_ s: String) -> NostrLink? {
             return
         }
     
-    if parts.count >= 3 && parts[1] == "hashtag" {
-        return .filter(NostrFilter.filter_hashtag([parts[2]]))
+    if parts.count >= 2 && parts[0] == "hashtag" {
+        return .filter(NostrFilter.filter_hashtag([parts[1]]))
     }
     
     return tag_to_refid(parts).map { .ref($0) }

damus/Nostr/Profiles.swift

@@ -10,12 +10,11 @@ import UIKit
 import Combine
 
 
-class Profiles: ObservableObject {
-    @Published var profiles: [String: TimestampedProfile] = [:]
+class Profiles {
+    var profiles: [String: TimestampedProfile] = [:]
     
     func add(id: String, profile: TimestampedProfile) {
         profiles[id] = profile
-        objectWillChange.send()
     }
     
     func lookup(id: String) -> Profile? {