Update the usage of GetUrl - to just use the raw string value as opposed to a JSON object. Updated related JS object mock as well

src/Umbraco.Web.UI.Client/src/common/mocks/resources/entity.mocks.js

@@ -38,12 +38,8 @@ angular.module('umbraco.mocks').
           if (!mocksUtils.checkAuth()) {
               return [401, null, null];
           }
-          
-          var urlOrbject = {
-              "url": "url"
-          };
 
-          return [200, urlOrbject, null];
+          return [200, "url", null];
 
       }
 
@@ -61,7 +57,7 @@ angular.module('umbraco.mocks').
               $httpBackend
                   .whenGET(mocksUtils.urlRegex('/umbraco/UmbracoApi/Entity/GetById?'))
                   .respond(returnEntitybyId);
-
+            
             $httpBackend
                   .whenGET(mocksUtils.urlRegex('/umbraco/UmbracoApi/Entity/GetUrl?'))
                     .respond(returnEntityUrl);

src/Umbraco.Web.UI.Client/src/views/propertyeditors/contentpicker/contentpicker.controller.js

@@ -254,7 +254,8 @@ function contentPickerController($scope, entityResource, editorState, iconHelper
         if(entityType !== "Member") {
             entityResource.getUrl(entity.id, entityType).then(function(data){
                 // update url
-                entity.url = data.url;
+                entity.url = data;
+
                 // push item to render model
                 addSelectedItem(entity);
             });