Accept null sorting.

backend/src/Squidex.Domain.Apps.Entities.MongoDb/Apps/MongoAppRepository.cs

@@ -50,7 +50,7 @@ namespace Squidex.Domain.Apps.Entities.MongoDb.Apps
             using (Telemetry.Activities.StartActivity("MongoAppRepository/QueryAllAsync"))
             {
                 var entities =
-                    await Collection.Find(x => (x.IndexedUserIds.Contains(contributorId) || names.Contains(x.IndexedName)) && !x.IndexedDeleted).SortBy(x => x.IndexedCreated)
+                    await Collection.Find(x => (x.IndexedUserIds.Contains(contributorId) || names.Contains(x.IndexedName)) && !x.IndexedDeleted)
                         .ToListAsync(ct);
 
                 return RemoveDuplcateNames(entities);

backend/src/Squidex.Domain.Apps.Entities/Apps/DomainObject/AppDomainObject.cs

@@ -307,7 +307,6 @@ namespace Squidex.Domain.Apps.Entities.Apps.DomainObject
 
                             return new PlanChangedResult(c.PlanId);
                         }
-
                     }, ct);
 
                 default:

backend/src/Squidex.Domain.Apps.Entities/Assets/Queries/AssetQueryParser.cs

@@ -104,6 +104,8 @@ namespace Squidex.Domain.Apps.Entities.Assets.Queries
 
         private static void WithSorting(ClrQuery query)
         {
+            query.Sort ??= new List<SortNode>();
+
             if (query.Sort.Count == 0)
             {
                 query.Sort.Add(new SortNode(new List<string> { "lastModified" }, SortOrder.Descending));

backend/src/Squidex.Domain.Apps.Entities/Contents/Queries/ContentQueryParser.cs

@@ -143,6 +143,8 @@ namespace Squidex.Domain.Apps.Entities.Contents.Queries
 
         private static void WithSorting(ClrQuery query)
         {
+            query.Sort ??= new List<SortNode>();
+
             if (query.Sort.Count == 0)
             {
                 query.Sort.Add(new SortNode(new List<string> { "lastModified" }, SortOrder.Descending));

backend/src/Squidex.Domain.Apps.Entities/Teams/DomainObject/TeamDomainObject.cs

@@ -128,7 +128,6 @@ namespace Squidex.Domain.Apps.Entities.Teams.DomainObject
 
                             return new PlanChangedResult(c.PlanId);
                         }
-
                     }, ct);
 
                 default:

backend/src/Squidex.Infrastructure.MongoDb/MongoDb/Queries/SortBuilder.cs

@@ -14,7 +14,7 @@ namespace Squidex.Infrastructure.MongoDb.Queries
     {
         public static SortDefinition<T>? BuildSort<T>(this ClrQuery query)
         {
-            if (query.Sort.Count > 0)
+            if (query is { Sort: not null, Sort: { Count: > 0 } })
             {
                 var sorts = query.Sort.Select(OrderBy<T>).ToList();
 

backend/src/Squidex.Infrastructure/Queries/OData/SortBuilder.cs

@@ -19,6 +19,7 @@ namespace Squidex.Infrastructure.Queries.OData
             {
                 while (orderBy != null)
                 {
+                    result.Sort ??= new List<SortNode>();
                     result.Sort.Add(OrderBy(orderBy));
 
                     orderBy = orderBy.ThenBy;

backend/src/Squidex.Infrastructure/Queries/Query.cs

@@ -22,7 +22,7 @@ namespace Squidex.Infrastructure.Queries
             set => Take = value;
         }
 
-        public List<SortNode> Sort { get; set; } = new List<SortNode>();
+        public List<SortNode>? Sort { get; set; } = new List<SortNode>();
 
         public HashSet<string> GetAllFields()
         {
@@ -65,7 +65,7 @@ namespace Squidex.Infrastructure.Queries
                 parts.Add($"Take: {Take}");
             }
 
-            if (Sort.Count > 0)
+            if (Sort != null && Sort.Count > 0)
             {
                 parts.Add($"Sort: {string.Join(", ", Sort)}");
             }

backend/tests/Squidex.Domain.Apps.Entities.Tests/Assets/MongoDb/AssetsQueryIntegrationTests.cs

@@ -138,10 +138,9 @@ namespace Squidex.Domain.Apps.Entities.Assets.MongoDb
         private async Task<IResultList<IAssetEntity>> QueryAsync(DomainId? parentId, ClrQuery clrQuery)
         {
             clrQuery.Top = 1000;
-
             clrQuery.Skip = 100;
 
-            if (clrQuery.Sort.Count == 0)
+            if (clrQuery.Sort == null || clrQuery.Sort.Count == 0)
             {
                 clrQuery.Sort = new List<SortNode>
                 {

backend/tests/Squidex.Domain.Apps.Entities.Tests/Contents/MongoDb/ContentsQueryIntegrationTests.cs

@@ -216,7 +216,7 @@ namespace Squidex.Domain.Apps.Entities.Contents.MongoDb
                 clrQuery.Skip = skip;
             }
 
-            if (clrQuery.Sort.Count == 0)
+            if (clrQuery.Sort == null || clrQuery.Sort.Count == 0)
             {
                 clrQuery.Sort = new List<SortNode>
                 {