Netcore: Migration of Model classes from Umbraco.Infrastructure to Core (#9404)

* Migrating more model, mapping and tree classes

* Migrating files from Mapping dir without Newtonsoft dependency

* Migrating files from PublishedContent and Editors dirs without Newtonsoft dependency + some more of the same kind

* Migrating DataType class without the usage of Newtonsoft.Json and making the corresponding changes to all classes affected

* Combining 3 ContentExtensions files into 1

* Refactoring from migrating ContentExtensions

* Migrating more classes

* Migrating ContentRepositoryExtensions - combining it with existing file in Umbraco.Core

* removing Newtonsoft json dependency & migrating file. Adding partial migration of ConfigurationEditor, so PropertyTagsExtensions can be migrated

* Migrating ContentTagsExtensions, and refactoring from changes in PropertyTagsExtensions

* Changes that should be reverted once ConfigurationEditor class is fully migrated

* VS couldn't find Composing, so build was failing. Removing the using solves the problem

* Handling a single case for deserializing a subset of an input

* Small changes and added tests to JsonNetSerializer

Signed-off-by: Bjarke Berg <mail@bergmania.dk>

* Migrated ConfigurationEditor

Signed-off-by: Bjarke Berg <mail@bergmania.dk>

Co-authored-by: Bjarke Berg <mail@bergmania.dk>

src/Umbraco.Core/Models/BackOfficeTourFile.cs

@@ -0,0 +1,35 @@
+using System.Collections.Generic;
+using System.Runtime.Serialization;
+
+namespace Umbraco.Web.Models
+{
+    /// <summary>
+    /// A model representing the file used to load a tour.
+    /// </summary>
+    [DataContract(Name = "tourFile", Namespace = "")]
+    public class BackOfficeTourFile
+    {
+        public BackOfficeTourFile()
+        {
+            Tours = new List<BackOfficeTour>();
+        }
+
+        /// <summary>
+        /// The file name for the tour
+        /// </summary>
+        [DataMember(Name = "fileName")]
+        public string FileName { get; set; }
+
+        /// <summary>
+        /// The plugin folder that the tour comes from
+        /// </summary>
+        /// <remarks>
+        /// If this is null it means it's a Core tour
+        /// </remarks>
+        [DataMember(Name = "pluginName")]
+        public string PluginName { get; set; }
+
+        [DataMember(Name = "tours")]
+        public IEnumerable<BackOfficeTour> Tours { get; set; }
+    }
+}