Greatly reduce code complexity & make IF samples functional (#2205)

* Greatly reduce code complexity

* Fixes sharded client IF implementation

samples/ShardedClient/Modules/InteractionModule.cs

@@ -5,7 +5,7 @@ using System.Threading.Tasks;
 namespace ShardedClient.Modules
 {
     // A display of portability, which shows how minimal the difference between the 2 frameworks is.
-    public class InteractionModule : InteractionModuleBase<ShardedInteractionContext<SocketSlashCommand>>
+    public class InteractionModule : InteractionModuleBase<ShardedInteractionContext>
     {
         [SlashCommand("info", "Information about this shard.")]
         public async Task InfoAsync()

samples/ShardedClient/Program.cs

@@ -45,8 +45,11 @@ namespace ShardedClient
                 client.ShardReady += ReadyAsync;
                 client.Log += LogAsync;
 
-                await services.GetRequiredService<InteractionHandlingService>().InitializeAsync();
-                await services.GetRequiredService<CommandHandlingService>().InitializeAsync();
+                await services.GetRequiredService<InteractionHandlingService>()
+                    .InitializeAsync();
+
+                await services.GetRequiredService<CommandHandlingService>()
+                    .InitializeAsync();
 
                 // Tokens should be considered secret data, and never hard-coded.
                 await client.LoginAsync(TokenType.Bot, Environment.GetEnvironmentVariable("token"));

samples/ShardedClient/Services/InteractionHandlingService.cs

@@ -31,9 +31,9 @@ namespace ShardedClient.Services
         {
             await _service.AddModulesAsync(typeof(InteractionHandlingService).Assembly, _provider);
 #if DEBUG
-            await _service.AddCommandsToGuildAsync(_client.Guilds.First(x => x.Id == 1));
+            await _service.RegisterCommandsToGuildAsync(1 /* implement */);
 #else
-            await _service.AddCommandsGloballyAsync();
+            await _service.RegisterCommandsGloballyAsync();
 #endif
         }