Migrating to modern c# namespace

Using the short namesapce declaration for conciseness

Models/LoginResult.cs

@@ -2,19 +2,18 @@ using System;
 
 using Newtonsoft.Json;
 
-namespace Icarus.Models
+namespace Icarus.Models;
+
+public class LoginResult : BaseResult
 {
-    public class LoginResult : BaseResult
-    {
-        [JsonProperty("user_id")]
-        public int UserID { get; set; }
-        [JsonProperty("username")]
-        public string Username { get; set; }
-        [JsonProperty("token")]
-        public string Token { get; set; }
-        [JsonProperty("token_type")]
-        public string TokenType { get; set; }
-        [JsonProperty("expiration")]
-        public int Expiration { get; set; }
-    }
+    [JsonProperty("user_id")]
+    public int UserID { get; set; }
+    [JsonProperty("username")]
+    public string Username { get; set; }
+    [JsonProperty("token")]
+    public string Token { get; set; }
+    [JsonProperty("token_type")]
+    public string TokenType { get; set; }
+    [JsonProperty("expiration")]
+    public int Expiration { get; set; }
 }