Don’t assertionFailure() when tapping on non-status cells (#963)

Mastodon/Protocol/Provider/DataSourceProvider+NotificationTableViewCellDelegate.swift

@@ -522,6 +522,7 @@ extension NotificationTableViewCellDelegate where Self: DataSourceProvider & Aut
         Task {
             let source = DataSourceItem.Source(tableViewCell: cell, indexPath: nil)
             guard let item = await item(from: source) else {
+                assertionFailure()
                 return
             }
             switch item {

Mastodon/Protocol/Provider/DataSourceProvider+StatusTableViewCellDelegate.swift

@@ -681,6 +681,7 @@ extension StatusTableViewCellDelegate where Self: DataSourceProvider & AuthConte
         Task {
             let source = DataSourceItem.Source(tableViewCell: cell, indexPath: nil)
             guard let item = await item(from: source) else {
+                assertionFailure()
                 return
             }
             switch item {

Mastodon/Scene/Thread/ThreadViewController+DataSourceProvider.swift

@@ -24,7 +24,6 @@ extension ThreadViewController: DataSourceProvider {
         case .thread(let thread):
             return .status(record: thread.record)
         default:
-            assertionFailure()
             return nil
         }
     }