lint/fixes, add group patch validation

PluralKit.Bot/Commands/Message.cs

@@ -137,7 +137,7 @@ namespace PluralKit.Bot
             {
                 if (message.System.Id != ctx.System.Id)
                     throw new PKError("You can only delete your own messages.");
-                
+
                 await ctx.Rest.DeleteMessage(message.Message.Channel, message.Message.Mid);
 
                 if (ctx.Guild != null)

PluralKit.Bot/Proxy/ProxyService.cs

@@ -55,13 +55,13 @@ namespace PluralKit.Bot
         {
             if (!ShouldProxy(channel, message, ctx))
                 return false;
-            
+
             var rootChannel = _cache.GetRootChannel(message.ChannelId);
 
             List<ProxyMember> members;
             // Fetch members and try to match to a specific member
             using (_metrics.Measure.Timer.Time(BotMetrics.ProxyMembersQueryTime))
-            {            
+            {
                 await using var conn = await _db.Obtain();
                 members = (await _repo.GetProxyMembers(conn, message.Author.Id, message.GuildId!.Value)).ToList();
             }

PluralKit.Bot/Tracing/DiscordRequestObserver.cs

@@ -1,4 +1,4 @@
-using System;
+using System;
 using System.Collections.Generic;
 using System.Diagnostics;
 using System.Linq;