Bug: Schedules Direct EPG data download triggers a failure in SM

[GitPuffy]

Schedules Direct EPG data download triggers a failure in SM.

Stream Master:
0.17.9.0

Error displayed from the output of docker logs -f streammaster

info: StreamMaster.SchedulesDirect.Images.SeasonImages[0]
      Downloaded season images 1455 of 1455
fail: StreamMaster.Infrastructure.Services.QueueService.QueuedHostedService[0]
      Error occurred executing task work item. EPGSync
      Microsoft.CSharp.RuntimeBinder.RuntimeBinderException: 'System.Collections.Generic.List<StreamMaster.SchedulesDirect.Domain.JsonClasses.ProgramArtwork>' does not contain a definition for 'Concat'
         at CallSite.Target(Closure, CallSite, Object, List`1)
         at System.Dynamic.UpdateDelegates.UpdateAndExecute2[T0,T1,TRet](CallSite site, T0 arg0, T1 arg1)
         at StreamMaster.SchedulesDirect.Images.SeasonImages.ProcessSeasonImageResponses() in /src/StreamMaster.SchedulesDirect/Images/SeasonImages.cs:line 148
         at StreamMaster.SchedulesDirect.Images.SeasonImages.DownloadAndProcessImagesAsync() in /src/StreamMaster.SchedulesDirect/Images/SeasonImages.cs:line 127
         at StreamMaster.SchedulesDirect.Images.SeasonImages.GetAllSeasonImages() in /src/StreamMaster.SchedulesDirect/Images/SeasonImages.cs:line 77
         at StreamMaster.SchedulesDirect.SchedulesDirect.SDSync(CancellationToken cancellationToken) in /src/StreamMaster.SchedulesDirect/SchedulesDirect.cs:line 85
         at StreamMaster.Application.SchedulesDirect.Commands.EPGSyncHandler.Handle(EPGSync request, CancellationToken cancellationToken) in /src/StreamMaster.Application/SchedulesDirect/Commands/EPGSync.cs:line 16
         at StreamMaster.Infrastructure.Services.QueueService.QueuedHostedService.ProcessTaskQueueAsync(CancellationToken cancellationToken) in /src/StreamMaster.Infrastructure/Services/QueueService/QueuedHostedService.cs:line 88
fail: StreamMaster.Infrastructure.Services.MessageService[0]
      Error executing task: EPGSync, 'System.Collections.Generic.List<StreamMaster.SchedulesDirect.Domain.JsonClasses.ProgramArtwork>' does not contain a definition for 'Concat'