fix(bot): add allowed mentions to msg info replies

PluralKit.Bot/Handlers/ReactionAdded.cs

@@ -201,7 +201,7 @@ public class ReactionAdded: IEventHandler<MessageReactionAddEvent>
                 Type = ComponentType.Separator
             });
             components.AddRange(await _embeds.CreateMessageInfoMessageComponents(msg, true, config));
-            await _rest.CreateMessage(dm, new MessageRequest { Components = components.ToArray(), Flags = Message.MessageFlags.IsComponentsV2 });
+            await _rest.CreateMessage(dm, new MessageRequest { Components = components.ToArray(), Flags = Message.MessageFlags.IsComponentsV2, AllowedMentions = new AllowedMentions() });
         }
         catch (ForbiddenException) { } // No permissions to DM, can't check for this :(
 

PluralKit.Bot/Services/EmbedService.cs

@@ -844,7 +844,7 @@ public class EmbedService
         };
 
         var avatarURL = msg.Member?.AvatarFor(ctx).TryGetCleanCdnUrl();
-        MessageComponent header = avatarURL == "" ? authorData : new MessageComponent()
+        MessageComponent header = (avatarURL == "" || avatarURL == null) ? authorData : new MessageComponent()
         {
             Type = ComponentType.Section,
             Components = [authorData],

PluralKit.Bot/Utils/InteractionContext.cs

@@ -5,6 +5,7 @@ using Autofac;
 using Myriad.Cache;
 using Myriad.Gateway;
 using Myriad.Rest;
+using Myriad.Rest.Types;
 using Myriad.Types;
 
 using PluralKit.Core;
@@ -76,13 +77,14 @@ public class InteractionContext
             });
     }
 
-    public async Task Reply(MessageComponent[] components = null)
+    public async Task Reply(MessageComponent[] components = null, AllowedMentions? mentions = null)
     {
         await Respond(InteractionResponse.ResponseType.ChannelMessageWithSource,
             new InteractionApplicationCommandCallbackData
             {
                 Components = components,
-                Flags = Message.MessageFlags.Ephemeral | Message.MessageFlags.IsComponentsV2
+                Flags = Message.MessageFlags.Ephemeral | Message.MessageFlags.IsComponentsV2,
+                AllowedMentions = mentions ?? new AllowedMentions()
             });
     }