dev: some more cleanup/attempts to fix a weird mysql error

src/NadekoBot/Bot.cs

@@ -90,16 +90,16 @@ public sealed class Bot : IBot
     public IReadOnlyList<ulong> GetCurrentGuildIds()
         => Client.Guilds.Select(x => x.Id).ToList().AsReadOnly();
 
-    private void AddServices()
+    private async Task AddServices()
     {
         var startingGuildIdList = GetCurrentGuildIds();
         var startTime = Stopwatch.GetTimestamp();
         var bot = Client.CurrentUser;
 
-        using (var uow = _db.GetDbContext())
+        await using (var uow = _db.GetDbContext())
         {
             uow.EnsureUserCreated(bot.Id, bot.Username, bot.Discriminator, bot.AvatarId);
-            AllGuildConfigs = uow.GuildConfigs.GetAllGuildConfigs(startingGuildIdList);
+            AllGuildConfigs = await uow.GuildConfigs.GetAllGuildConfigs(startingGuildIdList);
         }
 
         // var svcs = new StandardKernel(new NinjectSettings()
@@ -265,7 +265,7 @@ public sealed class Bot : IBot
         Log.Information("Shard {ShardId} loading services...", Client.ShardId);
         try
         {
-            AddServices();
+            await AddServices();
         }
         catch (Exception ex)
         {

src/NadekoBot/Db/Extensions/GuildConfigExtensions.cs

@@ -1,4 +1,5 @@
 #nullable disable
+using LinqToDB.EntityFrameworkCore;
 using Microsoft.EntityFrameworkCore;
 using NadekoBot.Db.Models;
 
@@ -42,7 +43,7 @@ public static class GuildConfigExtensions
     }
 
     private static IQueryable<GuildConfig> IncludeEverything(this DbSet<GuildConfig> configs)
-        => configs.AsQueryable()
+        => configs
             .AsSplitQuery()
             .Include(gc => gc.CommandCooldowns)
             .Include(gc => gc.FollowedStreams)
@@ -52,14 +53,13 @@ public static class GuildConfigExtensions
                 .ThenInclude(x => x.ExclusionList)
             ;
 
-    public static IReadOnlyCollection<GuildConfig> GetAllGuildConfigs(
+    public static Task<GuildConfig[]> GetAllGuildConfigs(
         this DbSet<GuildConfig> configs,
         IReadOnlyList<ulong> availableGuilds)
         => configs.IncludeEverything()
                   .Where(x => availableGuilds.Contains(x.GuildId))
                   .AsNoTracking()
-                  .ToList()
-                  .AsReadOnly();
+                  .ToArrayAsyncEF();
 
     /// <summary>
     ///     Gets and creates if it doesn't exist a config for a guild.