Adds notes with links back to PR about server side validation

src/Umbraco.Web.UI.Client/src/common/services/servervalidationmgr.service.js

@@ -7,6 +7,10 @@
  * Used to handle server side validation and wires up the UI with the messages. There are 2 types of validation messages, one
  * is for user defined properties (called Properties) and the other is for field properties which are attached to the native 
  * model objects (not user defined). The methods below are named according to these rules: Properties vs Fields.
+ * 
+ * For a more indepth explanation of how server side validation works with the angular app, see this GitHub PR: 
+ * https://github.com/umbraco/Umbraco-CMS/pull/8339
+ * 
  */
 function serverValidationManager($timeout) {
 

src/Umbraco.Web/PropertyEditors/Validation/ComplexEditorElementTypeValidationResult.cs

@@ -7,6 +7,10 @@ namespace Umbraco.Web.PropertyEditors.Validation
     /// <summary>
     /// A collection of <see cref="ComplexEditorPropertyTypeValidationResult"/> for an element type within complex editor represented by an Element Type
     /// </summary>
+    /// <remarks>
+    /// For a more indepth explanation of how server side validation works with the angular app, see this GitHub PR: 
+    /// https://github.com/umbraco/Umbraco-CMS/pull/8339
+    /// </remarks>
     public class ComplexEditorElementTypeValidationResult : ValidationResult
     {
         public ComplexEditorElementTypeValidationResult(string elementTypeAlias, Guid blockId)

src/Umbraco.Web/PropertyEditors/Validation/ComplexEditorPropertyTypeValidationResult.cs

@@ -8,6 +8,10 @@ namespace Umbraco.Web.PropertyEditors.Validation
     /// <summary>
     /// A collection of <see cref="ValidationResult"/> for a property type within a complex editor represented by an Element Type
     /// </summary>
+    /// <remarks>
+    /// For a more indepth explanation of how server side validation works with the angular app, see this GitHub PR: 
+    /// https://github.com/umbraco/Umbraco-CMS/pull/8339
+    /// </remarks>
     public class ComplexEditorPropertyTypeValidationResult : ValidationResult
     {
         public ComplexEditorPropertyTypeValidationResult(string propertyTypeAlias)

src/Umbraco.Web/PropertyEditors/Validation/ComplexEditorValidationResult.cs

@@ -8,7 +8,10 @@ namespace Umbraco.Web.PropertyEditors.Validation
     /// A collection of <see cref="ComplexEditorElementTypeValidationResult"/> for a complex editor represented by an Element Type
     /// </summary>
     /// <remarks>
-    /// For example, each <see cref="ComplexEditorValidationResult"/> represents validation results for a row in Nested Content
+    /// For example, each <see cref="ComplexEditorValidationResult"/> represents validation results for a row in Nested Content.
+    ///
+    /// For a more indepth explanation of how server side validation works with the angular app, see this GitHub PR: 
+    /// https://github.com/umbraco/Umbraco-CMS/pull/8339
     /// </remarks>
     public class ComplexEditorValidationResult : ValidationResult
     {

src/Umbraco.Web/PropertyEditors/Validation/ContentPropertyValidationResult.cs

@@ -7,7 +7,10 @@ namespace Umbraco.Web.PropertyEditors.Validation
     /// Custom <see cref="ValidationResult"/> for content properties
     /// </summary>
     /// <remarks>
-    /// This clones the original result and then ensures the nested result if it's the correct type
+    /// This clones the original result and then ensures the nested result if it's the correct type.
+    ///
+    /// For a more indepth explanation of how server side validation works with the angular app, see this GitHub PR: 
+    /// https://github.com/umbraco/Umbraco-CMS/pull/8339
     /// </remarks>
     public class ContentPropertyValidationResult : ValidationResult
     {

src/Umbraco.Web/PropertyEditors/Validation/ValidationResultConverter.cs

@@ -15,6 +15,9 @@ namespace Umbraco.Web.PropertyEditors.Validation
     /// <remarks>
     /// This converter is specifically used to convert validation results for content in order to be able to have nested
     /// validation results for complex editors.
+    ///
+    /// For a more indepth explanation of how server side validation works with the angular app, see this GitHub PR: 
+    /// https://github.com/umbraco/Umbraco-CMS/pull/8339
     /// </remarks>
     internal class ValidationResultConverter : JsonConverter
     {