Update published items on the main actor

Signed-off-by: Daniel D’Aquino <daniel@daquino.me>

damus/Features/Follows/Models/FollowersModel.swift

@@ -59,6 +59,7 @@ class FollowersModel: ObservableObject {
         self.profilesListener = nil
     }
     
+    @MainActor
     func handle_contact_event(_ ev: NostrEvent) {
         if has_contact.contains(ev.pubkey) {
             return
@@ -93,7 +94,7 @@ class FollowersModel: ObservableObject {
     
     func handle_event(ev: NostrEvent) {
         if ev.known_kind == .contacts {
-            handle_contact_event(ev)
+            Task { await handle_contact_event(ev) }
         }
     }
 }

damus/Features/Profile/Models/ProfileModel.swift

@@ -87,7 +87,7 @@ class ProfileModel: ObservableObject, Equatable {
             }
             guard let txn = NdbTxn(ndb: damus.ndb) else { return }
             load_profiles(context: "profile", load: .from_events(events.events), damus_state: damus, txn: txn)
-            progress += 1
+            await bumpUpProgress()
         }
         profileListener?.cancel()
         profileListener = Task {
@@ -102,7 +102,7 @@ class ProfileModel: ObservableObject, Equatable {
                 case .eose: break
                 }
             }
-            progress += 1
+            await bumpUpProgress()
         }
         conversationListener?.cancel()
         conversationListener = Task {
@@ -110,6 +110,11 @@ class ProfileModel: ObservableObject, Equatable {
         }
     }
     
+    @MainActor
+    func bumpUpProgress() {
+        progress += 1
+    }
+    
     func listenToConversations() async {
         // Only subscribe to conversation events if the profile is not us.
         guard pubkey != damus.pubkey else {