Changed Get-PnPTenant to generic retrieval of properties and using nu…

…llable types instead of using hardcoded defaults in the case of an exception

src/Commands/Admin/GetTenant.cs

@@ -13,7 +13,7 @@ protected override void ExecuteCmdlet()
             AdminContext.Load(Tenant);
             AdminContext.Load(Tenant, t => t.HideDefaultThemes);
             AdminContext.ExecuteQueryRetry();
-            WriteObject(new SPOTenant(Tenant, AdminContext));
+            WriteObject(new SPOTenant(Tenant, AdminContext, this));
         }
     }
 }

src/Commands/Attributes/CsomToModelConverter.cs

@@ -0,0 +1,23 @@
+using System;
+
+namespace PnP.PowerShell.Commands.Attributes
+{
+    /// <summary>
+    /// Attribute to specify the name of the property in the model that should be used to convert the value from the CSOM object to the model object
+    /// </summary>
+    /// <param name="propertyName">Name of the property on the CSOM object</param>
+    /// <param name="skip">If set to true, the property will be skipped</param>
+    [AttributeUsage(AttributeTargets.Property, AllowMultiple = false)]
+    public class CsomToModelConverter(string propertyName = null, bool skip = false) : Attribute
+    {
+        /// <summary>
+        /// Name of the property on the CSOM object
+        /// </summary>
+        public string PropertyName { get; set; } = propertyName;
+
+        /// <summary>
+        /// If set to true, the property will be skipped
+        /// </summary>
+        public bool Skip { get; set; } = skip;
+    }
+}