Use ReadOnlySpan in GetImagesForPrograms

Emby.Server.Implementations/LiveTv/Listings/SchedulesDirect.cs

@@ -459,7 +459,7 @@ namespace Emby.Server.Implementations.LiveTv.Listings
             }
 
             StringBuilder str = new StringBuilder("[", 1 + (programIds.Count * 13));
-            foreach (string i in programIds)
+            foreach (ReadOnlySpan<char> i in programIds)
             {
                 str.Append('"')
                     .Append(i[..10])
@@ -789,7 +789,7 @@ namespace Emby.Server.Implementations.LiveTv.Listings
             {
                 var channelNumber = GetChannelNumber(channel);
 
-                var station = allStations.Find(item => string.Equals(item.stationID, channel.stationID, StringComparison.OrdinalIgnoreCase)) 
+                var station = allStations.Find(item => string.Equals(item.stationID, channel.stationID, StringComparison.OrdinalIgnoreCase))
                     ?? new ScheduleDirect.Station
                     {
                         stationID = channel.stationID