size fitting preview tests for the media events timeline

ElementX/Sources/Other/SwiftUI/PreviewScrollView.swift

@@ -14,6 +14,7 @@ struct PreviewScrollView<Content: View>: View {
     var content: () -> Content
     
     var body: some View {
+        #if DEBUG
         if ProcessInfo.isRunningTests {
             content()
         } else {
@@ -21,5 +22,10 @@ struct PreviewScrollView<Content: View>: View {
                 content()
             }
         }
+        #else
+        ScrollView {
+            content()
+        }
+        #endif
     }
 }

ElementX/Sources/Screens/MediaEventsTimelineScreen/View/MediaEventsTimelineScreen.swift

@@ -54,7 +54,7 @@ struct MediaEventsTimelineScreen: View {
     }
     
     private var scrollView: some View {
-        ScrollView {
+        PreviewScrollView {
             Group {
                 switch context.viewState.screenMode {
                 case .media:
@@ -269,15 +269,13 @@ struct MediaEventsTimelineScreen_Previews: PreviewProvider, TestablePreview {
     static let emptyFilesViewModel = makeViewModel(empty: true, screenMode: .files)
     
     static var previews: some View {
-        ElementNavigationStack {
-            MediaEventsTimelineScreen(context: mediaViewModel.context)
-        }
-        .previewDisplayName("Media")
+        MediaEventsTimelineScreen(context: mediaViewModel.context)
+            .previewLayout(.sizeThatFits)
+            .previewDisplayName("Media")
         
-        ElementNavigationStack {
-            MediaEventsTimelineScreen(context: filesViewModel.context)
-        }
-        .previewDisplayName("Files")
+        MediaEventsTimelineScreen(context: filesViewModel.context)
+            .previewLayout(.sizeThatFits)
+            .previewDisplayName("Files")
         
         ElementNavigationStack {
             MediaEventsTimelineScreen(context: emptyMediaViewModel.context)