Fixed issue with incorrect UDI type

The UDI type for content is actually "document", so when using "content" instead, more than one relation may be added with the same key or ID 🤦‍♂️

Author: abjerner

src/Skybrud.LinkPicker/Factories/LinkReferenceFactory.cs

@@ -12,7 +12,7 @@ internal class LinkReferenceFactory : IDataValueReferenceFactory, IDataValueRefe
         public IDataValueReference GetDataValueReference() => this;
 
         public IEnumerable<UmbracoEntityReference> GetReferences(object value) {
-            
+
             List<UmbracoEntityReference> references = new List<UmbracoEntityReference>();
             if (value is not string json) return references;
 
@@ -22,15 +22,16 @@ public IEnumerable<UmbracoEntityReference> GetReferences(object value) {
             switch (link.Type) {
 
                 case LinkPickerType.Content:
-                    references.Add(new UmbracoEntityReference(new GuidUdi("content", link.Key)));
+
+                    references.Add(new UmbracoEntityReference(new GuidUdi(Constants.UdiEntityType.Document, link.Key)));
                     break;
 
                 case LinkPickerType.Media:
-                    references.Add(new UmbracoEntityReference(new GuidUdi("media", link.Key)));
+                    references.Add(new UmbracoEntityReference(new GuidUdi(Constants.UdiEntityType.Media, link.Key)));
                     break;
-                
+
             }
-            
+
             return references;
 
         }