Fix error when reloading empty profile

Closes #366

Tusker/Screens/Profile/ProfileStatusesViewController.swift

@@ -266,6 +266,11 @@ class ProfileStatusesViewController: UIViewController, TimelineLikeCollectionVie
         collectionView.contentInset = .zero
     }
     
+    private func reloadInitial() async {
+        state = .unloaded
+        await load()
+    }
+    
     private func tryLoadPinned() async {
         do {
             try await loadPinned()
@@ -353,10 +358,15 @@ class ProfileStatusesViewController: UIViewController, TimelineLikeCollectionVie
             return
         }
         Task {
-            // TODO: coalesce these data source updates
-            // TODO: refresh profile
-            await controller.loadNewer()
-            await tryLoadPinned()
+            if newer == nil {
+                // no statuses were loaded initially, so reload the initial batch
+                await reloadInitial()
+            } else {
+                // TODO: coalesce these data source updates
+                // TODO: refresh profile
+                await controller.loadNewer()
+                await tryLoadPinned()
+            }
             #if !targetEnvironment(macCatalyst)
             collectionView.refreshControl?.endRefreshing()
             #endif