Fix UpdateAsync with null components doesnt clear components

src/Discord.Net.WebSocket/Entities/Interaction/Message Components/SocketMessageComponent.cs

@@ -199,7 +199,7 @@ namespace Discord.WebSocket
                     AllowedMentions = args.AllowedMentions.IsSpecified ? args.AllowedMentions.Value?.ToModel() : Optional<API.AllowedMentions>.Unspecified,
                     Embeds = apiEmbeds?.ToArray() ?? Optional<API.Embed[]>.Unspecified,
                     Components = args.Components.IsSpecified
-                        ? args.Components.Value?.Components.Select(x => new API.ActionRowComponent(x)).ToArray()
+                        ? args.Components.Value?.Components.Select(x => new API.ActionRowComponent(x)).ToArray() ?? new API.ActionRowComponent[0]
                         : Optional<API.ActionRowComponent[]>.Unspecified,
                     Flags = args.Flags.IsSpecified ? args.Flags.Value ?? Optional<MessageFlags>.Unspecified : Optional<MessageFlags>.Unspecified
                 }