Refactor code formatting and improve readability: standardize line breaks and indentation across various endpoint files, enhancing code clarity and maintainability. Update package version formatting in Directory.Packages.props for consistency.

backend/src/TeleWave.Application/Broadcast/ListChannels/ListChannelsQueryHandler.cs

@@ -12,7 +12,8 @@ public sealed class ListChannelsQueryHandler(IAppDbContext dbContext)
         CancellationToken cancellationToken
     )
     {
-        return await dbContext.Channels.AsNoTracking()
+        return await dbContext
+            .Channels.AsNoTracking()
             .OrderBy(c => c.Name)
             .Select(c => new ChannelSummaryDto(c.Id, c.Name, c.Slug, c.IsEnabled))
             .ToListAsync(cancellationToken);