Code Quality: Fixed an issue where CollectionChanged events were not unsubscribed correctly (#15957)

Author: hishitetsu

src/Files.App/ViewModels/UserControls/SidebarViewModel.cs

@@ -247,9 +247,9 @@ public SidebarViewModel()
 
 			App.QuickAccessManager.Model.DataChanged += Manager_DataChanged;
 			App.LibraryManager.DataChanged += Manager_DataChanged;
-			drivesViewModel.Drives.CollectionChanged += (x, args) => Manager_DataChanged(SectionType.Drives, args);
+			drivesViewModel.Drives.CollectionChanged += Manager_DataChangedForDrives;
 			CloudDrivesManager.DataChanged += Manager_DataChanged;
-			NetworkService.Computers.CollectionChanged += (x, args) => Manager_DataChanged(SectionType.Network, args);
+			NetworkService.Computers.CollectionChanged += Manager_DataChangedForNetworkComputers;
 			WSLDistroManager.DataChanged += Manager_DataChanged;
 			App.FileTagsManager.DataChanged += Manager_DataChanged;
 			SidebarDisplayMode = UserSettingsService.AppearanceSettingsService.IsSidebarOpen ? SidebarDisplayMode.Expanded : SidebarDisplayMode.Compact;
@@ -292,6 +292,10 @@ await dispatcherQueue.EnqueueOrInvokeAsync(async () =>
 			});
 		}
 
+		private void Manager_DataChangedForDrives(object? sender, NotifyCollectionChangedEventArgs e) => Manager_DataChanged(SectionType.Drives, e);
+
+		private void Manager_DataChangedForNetworkComputers(object? sender, NotifyCollectionChangedEventArgs e) => Manager_DataChanged(SectionType.Network, e);
+
 		private async Task SyncSidebarItemsAsync(LocationItem section, Func<IReadOnlyList<INavigationControlItem>> getElements, NotifyCollectionChangedEventArgs e)
 		{
 			if (section is null)
@@ -671,9 +675,9 @@ public void Dispose()
 
 			App.QuickAccessManager.Model.DataChanged -= Manager_DataChanged;
 			App.LibraryManager.DataChanged -= Manager_DataChanged;
-			drivesViewModel.Drives.CollectionChanged -= (x, args) => Manager_DataChanged(SectionType.Drives, args);
+			drivesViewModel.Drives.CollectionChanged -= Manager_DataChangedForDrives;
 			CloudDrivesManager.DataChanged -= Manager_DataChanged;
-			NetworkService.Computers.CollectionChanged -= (x, args) => Manager_DataChanged(SectionType.Network, args);
+			NetworkService.Computers.CollectionChanged -= Manager_DataChangedForNetworkComputers;
 			WSLDistroManager.DataChanged -= Manager_DataChanged;
 			App.FileTagsManager.DataChanged -= Manager_DataChanged;
 		}