Fixed incorrect ComponentType in TextDisplayBuilder. (#3140)

Author: DanielWillett

src/Discord.Net.Core/Entities/Interactions/MessageComponents/Builders/TextDisplayBuilder.cs

@@ -10,7 +10,7 @@ public class TextDisplayBuilder : IMessageComponentBuilder
     public const int MaxContentLength = 4000;
 
     /// <inheritdoc/>
-    public ComponentType Type => ComponentType.ActionRow;
+    public ComponentType Type => ComponentType.TextDisplay;
 
     /// <inheritdoc/>
     public int? Id { get; set; }