Fix bug that StartupScripts call function that not loaded

Author: erich-wang

src/Accounts/Accounts/StartupScripts/InitializeAssemblyResolver.ps1

@@ -1,5 +1,7 @@
 if ($PSEdition -eq 'Desktop') {
 	try {
 	    [Microsoft.Azure.Commands.Profile.Utilities.CustomAssemblyResolver]::Initialize()
-	} catch {}
+	} catch {
+        Write-Warning $_
+    }
 }

src/Accounts/Accounts/Utilities/CustomAssemblyResolver.cs

@@ -0,0 +1,69 @@
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Reflection;
+
+namespace Microsoft.Azure.Commands.Profile.Utilities
+{
+    public static class CustomAssemblyResolver
+    {
+        private static IDictionary<string, Version> NetFxPreloadAssemblies =
+            new Dictionary<string, Version>(StringComparer.InvariantCultureIgnoreCase)
+            {
+                {"Azure.Core", new Version("1.2.1.0")},
+                {"Microsoft.Bcl.AsyncInterfaces", new Version("1.0.0.0")},
+                {"Microsoft.IdentityModel.Clients.ActiveDirectory", new Version("3.19.2.6005")},
+                {"Microsoft.IdentityModel.Clients.ActiveDirectory.Platform", new Version("3.19.2.6005")},
+                {"Newtonsoft.Json", new Version("10.0.0.0")},
+                {"System.Buffers", new Version("4.0.2.0")},
+                {"System.Diagnostics.DiagnosticSource", new Version("4.0.4.0")},
+                {"System.Memory", new Version("4.0.1.1")},
+                {"System.Net.Http.WinHttpHandler", new Version("4.0.2.0")},
+                {"System.Numerics.Vectors", new Version("4.1.3.0")},
+                {"System.Private.ServiceModel", new Version("4.1.2.1")},
+                {"System.Reflection.DispatchProxy", new Version("4.0.3.0")},
+                {"System.Runtime.CompilerServices.Unsafe", new Version("4.0.5.0")},
+                {"System.Security.AccessControl", new Version("4.1.1.0")},
+                {"System.Security.Permissions", new Version("4.0.1.0")},
+                {"System.Security.Principal.Windows", new Version("4.1.1.0")},
+                {"System.ServiceModel.Primitives", new Version("4.2.0.0")},
+                {"System.Text.Encodings.Web", new Version("4.0.4.0")},
+                {"System.Text.Json", new Version("4.0.0.0")},
+                {"System.Threading.Tasks.Extensions", new Version("4.2.0.0")},
+                {"System.Xml.ReaderWriter", new Version("4.1.0.0")}
+            };
+
+        private static string PreloadAssemblyFolder { get; set; }
+
+        public static void Initialize()
+        {
+            //This function is call before loading assemblies in PreloadAssemblies folder, so NewtonSoft.Json could not be used here
+            var accountFolder = Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location);
+            PreloadAssemblyFolder = Path.Combine(accountFolder, "PreloadAssemblies");
+            AppDomain.CurrentDomain.AssemblyResolve += CurrentDomain_AssemblyResolve;
+        }
+
+        /// <summary>
+        /// When the resolution of an assembly fails, if will try to redirect to the higher version
+        /// </summary>
+        public static Assembly CurrentDomain_AssemblyResolve(object sender, ResolveEventArgs args)
+        {
+            try
+            {
+                AssemblyName name = new AssemblyName(args.Name);
+                if (NetFxPreloadAssemblies.TryGetValue(name.Name, out Version version))
+                {
+                    if (version >= name.Version && version.Major == name.Version.Major)
+                    {
+                        string requiredAssembly = Path.Combine(PreloadAssemblyFolder, $"{name.Name}.dll");
+                        return Assembly.LoadFrom(requiredAssembly);
+                    }
+                }
+            }
+            catch
+            {
+            }
+            return null;
+        }
+    }
+}