Fix MediaTimeline screen header iOS 26 crash, update remaining version predicates.

ElementX/Sources/Other/Extensions/PlatformViewVersionPredicate.swift

@@ -6,28 +6,28 @@
 //
 
 import SwiftUI
-import SwiftUIIntrospect
+@_spi(Advanced) import SwiftUIIntrospect
 
 extension PlatformViewVersionPredicate<TextFieldType, UITextField> {
     static var supportedVersions: Self {
-        .iOS(.v17, .v18)
+        .iOS(.v16...)
     }
 }
 
 extension PlatformViewVersionPredicate<ScrollViewType, UIScrollView> {
     static var supportedVersions: Self {
-        .iOS(.v17, .v18)
+        .iOS(.v16...)
     }
 }
 
 extension PlatformViewVersionPredicate<ViewControllerType, UIViewController> {
     static var supportedVersions: Self {
-        .iOS(.v17, .v18)
+        .iOS(.v16...)
     }
 }
 
 extension PlatformViewVersionPredicate<NavigationStackType, UINavigationController> {
     static var supportedVersions: Self {
-        .iOS(.v17, .v18)
+        .iOS(.v16...)
     }
 }

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

@@ -194,6 +194,21 @@ struct MediaEventsTimelineScreen: View {
     @ToolbarContentBuilder
     private var toolbar: some ToolbarContent {
         ToolbarItem(placement: .principal) {
+            if #available(iOS 19, *) {
+                screenModePicker
+            } else {
+                screenModePicker
+                    .frame(idealWidth: .greatestFiniteMagnitude)
+            }
+        }
+        
+        ToolbarItem(placement: .primaryAction) {
+            // Reserve the space trailing space to match the back button.
+            CompoundIcon(\.search).hidden()
+        }
+    }
+    
+    private var screenModePicker: some View {
         Picker("", selection: $context.screenMode) {
             Text(L10n.screenMediaBrowserListModeMedia)
                 .padding()
@@ -203,13 +218,6 @@ struct MediaEventsTimelineScreen: View {
                 .tag(MediaEventsTimelineScreenMode.files)
         }
         .pickerStyle(.segmented)
-            .frame(idealWidth: .greatestFiniteMagnitude)
-        }
-        
-        ToolbarItem(placement: .primaryAction) {
-            // Reserve the space trailing space to match the back button.
-            CompoundIcon(\.search).hidden()
-        }
     }
     
     func tappedItem(_ item: RoomTimelineItemViewState) {