Removed PdfViewController, HtmlViewRenderer and FakeView to be replaced with ViewEngineResult Render method

Added HttpException class for missing HttpException for net8

Wrapped HttpContext.Session, GetJsonResult, IsAjaxRequest and GetUserIdentityName in controllers for net8

Added AuthenticationService to test Fab2ApprovalMKLink code for net8

Compile conditionally flags to debug in dotnet core

Fab2ApprovalSystem/Models/User.cs

@@ -0,0 +1,30 @@
+using System;
+
+namespace Fab2ApprovalSystem.Models;
+
+public class User {
+    public int UserID { get; set; }
+    public string LoginID { get; set; }
+    public string FirstName { get; set; }
+    public string LastName { get; set; }
+    public string Email { get; set; }
+    public bool IsAdmin { get; set; } = false;
+    public bool IsManager { get; set; } = false;
+    public bool IsActive { get; set; } = false;
+    public bool OOO { get; set; } = false;
+    public DateTime OOOStartDate { get; set; }
+    public DateTime OOOExpirationDate { get; set; }
+    public int DelegatedTo { get; set; }
+
+    public string GetFullName() =>
+        $"{FirstName} {LastName}";
+
+    public override bool Equals(object? obj) {
+        User? u = obj as User;
+
+        return u is not null && u.UserID == UserID;
+    }
+
+    public override int GetHashCode() =>
+        UserID.GetHashCode();
+}