display docType alias in Nested Content property editor when necessary

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

@@ -57,10 +57,21 @@
 
         ncResources.getContentTypes().then(function (docTypes) {
             $scope.model.docTypes = docTypes;
+
+            // Count doctype name occurrences
+            var docTypeNameOccurrences = _.countBy(docTypes, 'name');
+            console.info(docTypeNameOccurrences);
             
             // Populate document type tab dictionary
+            // And append alias to name if multiple doctypes have the same name
             docTypes.forEach(function (value) {
                 $scope.docTypeTabs[value.alias] = value.tabs;
+
+                value.displayName = value.name;
+
+                if (docTypeNameOccurrences[value.name] > 1) {
+                    value.displayName += " (" + value.alias + ")";
+                }
             });
         });
 

src/Umbraco.Web.UI.Client/src/views/propertyeditors/nestedcontent/nestedcontent.doctypepicker.html

@@ -23,7 +23,7 @@
                     </td>
                     <td>
                         <select id="{{model.alias}}_doctype_select"
-                            ng-options="dt.alias as dt.name for dt in selectableDocTypesFor(config) | orderBy: 'name'"
+                            ng-options="dt.alias as dt.displayName for dt in selectableDocTypesFor(config) | orderBy: 'name'"
                             ng-model="config.ncAlias" required></select>
                     </td>
                     <td>