Revert "Feed calculation logic change"

This reverts commit 2624b7dd0e07674f3639fb18618a5e11b3e9f53f.

Model/FeedModel.swift

@@ -130,12 +130,10 @@ final class FeedModel: ObservableObject, CacheModel {
                 }
 
                 let byChannel = Dictionary(grouping: unwatched) { $0.channel.id }.mapValues(\.count)
-                if self.unwatchedByChannel[account] != byChannel {
                 self.unwatchedByChannel[account] = byChannel
             }
         }
     }
-    }
 
     func markAllFeedAsWatched() {
         guard let account = accounts.current, accounts.signedIn else { return }

Model/HistoryModel.swift

@@ -107,6 +107,8 @@ extension PlayerModel {
             self.context.delete(watch)
 
             try? self.context.save()
+
+            FeedModel.shared.calculateUnwatchedFeed()
         }
     }
 

Shared/Videos/WatchView.swift

@@ -42,6 +42,8 @@ struct WatchView: View {
         } else {
             Watch.markAsWatched(videoID: watch?.videoID ?? videoID, account: AccountsModel.shared.current, duration: watch?.videoDuration ?? duration, context: backgroundContext)
         }
+
+        FeedModel.shared.calculateUnwatchedFeed()
     }
 
     var imageSystemName: String {