Apply suggestions from code review

Co-authored-by: Quin Lynch <49576606+quinchs@users.noreply.github.com>

src/Discord.Net.Core/Entities/Guilds/WelcomeScreenChannelProperties.cs

@@ -40,6 +40,10 @@ public class WelcomeScreenChannelProperties : ISnowflakeEntity
         Emoji = emoji;
     }
 
+    /// <summary>
+    ///     Initializes a new instance of <see cref="WelcomeScreenChannelProperties"/>.
+    /// </summary>
+    public WelcomeScreenChannelProperties() { }
     /// <summary>
     ///     Initializes a new instance of <see cref="WelcomeScreenChannelProperties"/>.
     /// </summary>

src/Discord.Net.Core/Entities/Invites/InviteGuild.cs

@@ -80,8 +80,10 @@ public class InviteGuild : ISnowflakeEntity
     /// <returns>
     ///     A URL pointing to the guild's icon; <see langword="null" /> if none is set.
     /// </returns>
-    public string IconUrl => CDN.GetGuildIconUrl(Id, IconId);/// <summary>
-                                                             /// 
+    public string IconUrl => CDN.GetGuildIconUrl(Id, IconId);
+    
+    /// <summary>
+    /// 
     ///     Gets the level of requirements a user must fulfill before being allowed to post messages in this guild.
     /// </summary>
     /// <returns>
@@ -121,11 +123,22 @@ public class InviteGuild : ISnowflakeEntity
     /// </summary>
     /// <returns>
     ///     The welcome screen of this guild. <see langword="null" /> if none is set.
-    ///     The welcome screen of this guild. <see langword="null" /> if none is set.
     /// </returns>
     public WelcomeScreen WelcomeScreen { get; private set; }
 
-    internal InviteGuild(ulong id, string name, string description, string splashId, string bannerId, GuildFeatures features, string iconId, VerificationLevel verificationLevel, string vanityURLCode, int premiumSubscriptionCount, NsfwLevel nsfwLevel, WelcomeScreen welcomeScreen)
+    internal InviteGuild(
+        ulong id, 
+        string name, 
+        string description, 
+        string splashId, 
+        string bannerId, 
+        GuildFeatures features, 
+        string iconId, 
+        VerificationLevel verificationLevel, 
+        string vanityURLCode, 
+        int premiumSubscriptionCount, 
+        NsfwLevel nsfwLevel, 
+        WelcomeScreen welcomeScreen)
     {
         Id = id;
         Name = name;

src/Discord.Net.Rest/API/Common/InviteGuild.cs

@@ -1,5 +1,4 @@
 using Newtonsoft.Json;
-using System.Collections.Generic;
 
 namespace Discord.API
 {

src/Discord.Net.Rest/API/Rest/ModifyGuildWelcomeScreenParams.cs

@@ -2,7 +2,6 @@ using Newtonsoft.Json;
 
 namespace Discord.API.Rest;
 
-[JsonObject(MemberSerialization = MemberSerialization.OptIn)]
 internal class ModifyGuildWelcomeScreenParams
 {
     [JsonProperty("enabled")]

src/Discord.Net.Rest/Entities/Guilds/GuildHelper.cs

@@ -2,7 +2,6 @@ using Discord.API.Rest;
 using System;
 using System.Collections.Generic;
 using System.Collections.Immutable;
-using System.Data;
 using System.Linq;
 using System.Threading.Tasks;
 using WidgetModel = Discord.API.GuildWidget;