Fix Trending Posts appearing to reload forever

Tusker/Screens/Explore/TrendingStatusesViewController.swift

@@ -85,14 +85,14 @@ class TrendingStatusesViewController: UIViewController {
     override func viewWillAppear(_ animated: Bool) {
         super.viewWillAppear(animated)
         
-        var snapshot = NSDiffableDataSourceSnapshot<Section, Item>()
-        snapshot.appendSections([.statuses])
-        snapshot.appendItems([.loadingIndicator])
-        dataSource.apply(snapshot, animatingDifferences: false)
+        if !loaded {
+            loaded = true
+            var snapshot = NSDiffableDataSourceSnapshot<Section, Item>()
+            snapshot.appendSections([.statuses])
+            snapshot.appendItems([.loadingIndicator])
+            dataSource.apply(snapshot, animatingDifferences: false)
             
-        Task {
-            if !loaded {
-                loaded = true
+            Task {
                 await loadTrendingStatuses()
             }
         }