Update XML documentation

Author: Ronald Barendse

src/Umbraco.Core/PropertyEditors/PropertyValueConverterBase.cs

@@ -4,13 +4,16 @@
 namespace Umbraco.Core.PropertyEditors
 {
     /// <summary>
-    /// Provides a default overridable implementation for <see cref="IPropertyValueConverter"/> that does nothing.
+    /// Provides a default implementation for <see cref="IPropertyValueConverter" />.
     /// </summary>
+    /// <seealso cref="Umbraco.Core.PropertyEditors.IPropertyValueConverter" />
     public abstract class PropertyValueConverterBase : IPropertyValueConverter
     {
+        /// <inheritdoc />
         public virtual bool IsConverter(IPublishedPropertyType propertyType)
             => false;
 
+        /// <inheritdoc />
         public virtual bool? IsValue(object value, PropertyValueLevel level)
         {
             switch (level)
@@ -35,18 +38,23 @@ public virtual bool HasValue(IPublishedProperty property, string culture, string
             return value != null && (!(value is string stringValue) || !string.IsNullOrWhiteSpace(stringValue));
         }
 
+        /// <inheritdoc />
         public virtual Type GetPropertyValueType(IPublishedPropertyType propertyType)
             => typeof(object);
 
+        /// <inheritdoc />
         public virtual PropertyCacheLevel GetPropertyCacheLevel(IPublishedPropertyType propertyType)
             => PropertyCacheLevel.Snapshot;
 
+        /// <inheritdoc />
         public virtual object ConvertSourceToIntermediate(IPublishedElement owner, IPublishedPropertyType propertyType, object source, bool preview)
             => source;
 
+        /// <inheritdoc />
         public virtual object ConvertIntermediateToObject(IPublishedElement owner, IPublishedPropertyType propertyType, PropertyCacheLevel referenceCacheLevel, object inter, bool preview)
             => inter;
 
+        /// <inheritdoc />
         public virtual object ConvertIntermediateToXPath(IPublishedElement owner, IPublishedPropertyType propertyType, PropertyCacheLevel referenceCacheLevel, object inter, bool preview)
             => inter?.ToString() ?? string.Empty;
     }