Merge branch 'main' into feature/v12-support

# Conflicts:
#	src/Umbraco.Cms.Integrations.Search.Algolia/Umbraco.Cms.Integrations.Search.Algolia.csproj

Author: acoumb

.gitignore

@@ -334,3 +334,8 @@ src/Umbraco.Cms.Integrations.SEO.Semrush.Testsite.V8/App_Data/
 src/Umbraco.Cms.Integrations.SEO.Semrush.Testsite.V8/App_Plugins/
 
 appsettings.Local.json
+src/Umbraco.Cms.Integrations.Testsite.V11/App_Plugins/
+src/Umbraco.Cms.Integrations.Testsite.V11/Views/
+src/Umbraco.Cms.Integrations.Testsite.V12/App_Plugins/
+src/Umbraco.Cms.Integrations.Testsite.V12/Views/_ViewImports.cshtml
+src/Umbraco.Cms.Integrations.Testsite.V12/Views/

src/Umbraco.Cms.Integrations.Search.Algolia/Services/AlgoliaSearchPropertyIndexValueFactory.cs

@@ -34,9 +34,9 @@ public virtual KeyValuePair<string, string> GetValue(IProperty property, string
 
             var indexValues = dataType.Editor.PropertyIndexValueFactory.GetIndexValues(property, culture, string.Empty, true);
 
-            if(indexValues == null) return default;
+            if (indexValues == null || !indexValues.Any()) return new KeyValuePair<string, string>(property.Alias, string.Empty);
 
-            var indexValue = indexValues.FirstOrDefault();
+            var indexValue = indexValues.First();
 
             if (Converters.ContainsKey(property.PropertyType.PropertyEditorAlias))
             {
@@ -67,7 +67,7 @@ private string ConvertMediaPicker(KeyValuePair<string, IEnumerable<object>> inde
 
             var parsedIndexValue = ParseIndexValue(indexValue.Value);
 
-            if(string.IsNullOrEmpty(parsedIndexValue)) return string.Empty;
+            if (string.IsNullOrEmpty(parsedIndexValue)) return string.Empty;
 
             var inputMedia = JsonSerializer.Deserialize<IEnumerable<MediaItem>>(parsedIndexValue);