Updated VideoPlayerWidget to play new IVideo data

Added optional padding to video frames because that's what VideoPlayerWidget expects.
Keeping the option to not use padding for other use-cases like converting frames to PNG.

OpenRA.Mods.Common/Scripting/Media.cs

@@ -80,7 +80,7 @@ namespace OpenRA.Mods.Common.Scripting
 
 		public static IVideo LoadVideo(Stream s)
 		{
-			return VideoLoader.GetVideo(s, Game.ModData.VideoLoaders);
+			return VideoLoader.GetVideo(s, true, Game.ModData.VideoLoaders);
 		}
 	}
 }