Fix 5 TestFlight crash types from builds 250-254

- Fix BGTaskScheduler assertion crash on Mac Catalyst by guarding all
  iOS background task APIs with isMacCatalystApp check
- Fix iPad popover crash in UIPopoverPresentationController by adding
  .presentationCompactAdaptation(.sheet) to all 27 confirmationDialogs
- Fix SwiftData assertion crash when accessing deleted Bookmark model
  properties during SwiftUI hit testing in BookmarkRowView
- Fix UICollectionView invalid item count crash on queue swipe-to-delete
  by using ID-based removal with withAnimation instead of stale index
- Fix Range crash in storyboard download when storyboardCount is zero

Yattee/Views/Settings/iCloudSettingsView.swift

@@ -101,6 +101,7 @@ struct iCloudSettingsView: View {
         } message: {
             Text(String(localized: "settings.icloud.enable.confirmation.message"))
         }
+        .presentationCompactAdaptation(.sheet)
         .confirmationDialog(
             String(localized: "settings.icloud.disable.confirmation.title"),
             isPresented: $showingDisableConfirmation,
@@ -113,6 +114,7 @@ struct iCloudSettingsView: View {
         } message: {
             Text(String(localized: "settings.icloud.disable.confirmation.message"))
         }
+        .presentationCompactAdaptation(.sheet)
         // Confirmation for categories that replace local data (instances, settings, media sources)
         .confirmationDialog(
             String(localized: "settings.icloud.category.enable.title"),
@@ -134,6 +136,7 @@ struct iCloudSettingsView: View {
         } message: {
             Text(String(localized: "settings.icloud.category.enable.message"))
         }
+        .presentationCompactAdaptation(.sheet)
         // Confirmation for categories that upload/merge local data (subscriptions, bookmarks, playlists, history)
         .confirmationDialog(
             String(localized: "settings.icloud.category.sync.title"),
@@ -155,6 +158,7 @@ struct iCloudSettingsView: View {
         } message: {
             Text(String(localized: "settings.icloud.category.sync.message"))
         }
+        .presentationCompactAdaptation(.sheet)
     }
 
     // MARK: - Sync Categories Section