visionOS: Don't use certain nib-based cells

Tusker/Screens/Explore/SuggestedProfilesViewController.swift

@@ -8,6 +8,9 @@
 
 import UIKit
 import Pachyderm
+#if os(visionOS)
+import SwiftUI
+#endif
 
 class SuggestedProfilesViewController: UIViewController, CollectionViewController {
     
@@ -53,10 +56,22 @@ class SuggestedProfilesViewController: UIViewController, CollectionViewControlle
     }
     
     private func createDataSource() -> UICollectionViewDiffableDataSource<Section, Item> {
+        #if os(visionOS)
+        let accountCell = UICollectionView.CellRegistration<UICollectionViewCell, (String, Suggestion.Source)> { [unowned self] cell, indexPath, item in
+            if let account = self.mastodonController.persistentContainer.account(for: item.0) {
+                cell.contentConfiguration = UIHostingConfiguration(content: {
+                    SuggestedProfileCardView(account: account)
+                })
+            } else {
+                cell.contentConfiguration = nil
+            }
+        }
+        #else
         let accountCell = UICollectionView.CellRegistration<SuggestedProfileCardCollectionViewCell, (String, Suggestion.Source)>(cellNib: UINib(nibName: "SuggestedProfileCardCollectionViewCell", bundle: .main)) { cell, indexPath, item in
             cell.delegate = self
             cell.updateUI(accountID: item.0, source: item.1)
         }
+        #endif
         let dataSource =  UICollectionViewDiffableDataSource<Section, Item>(collectionView: collectionView) { collectionView, indexPath, itemIdentifier in
             switch itemIdentifier {
             case .account(let id, let source):

Tusker/Screens/Explore/TrendingLinksViewController.swift

@@ -11,6 +11,9 @@ import Pachyderm
 import WebURLFoundationExtras
 import SafariServices
 import Combine
+#if os(visionOS)
+import SwiftUI
+#endif
 
 class TrendingLinksViewController: UIViewController, CollectionViewController {
     
@@ -90,10 +93,18 @@ class TrendingLinksViewController: UIViewController, CollectionViewController {
         let loadingCell = UICollectionView.CellRegistration<LoadingCollectionViewCell, Void> { cell, indexPath, itemIdentifier in
             cell.indicator.startAnimating()
         }
+        #if os(visionOS)
+        let linkCell = UICollectionView.CellRegistration<UICollectionViewCell, Card> { cell, indexPath, item in
+            cell.contentConfiguration = UIHostingConfiguration(content: {
+                TrendingLinkCardView(card: item)
+            })
+        }
+        #else
         let linkCell = UICollectionView.CellRegistration<TrendingLinkCardCollectionViewCell, Card>(cellNib: UINib(nibName: "TrendingLinkCardCollectionViewCell", bundle: .main)) { cell, indexPath, item in
             cell.verticalSize = .compact
             cell.updateUI(card: item)
         }
+        #endif
         let confirmLoadMoreCell = UICollectionView.CellRegistration<ConfirmLoadMoreCollectionViewCell, Bool> { cell, indexPath, isLoading in
             cell.confirmLoadMore = self.confirmLoadMore
             cell.isLoading = isLoading