Filter for property.

src/Squidex.Infrastructure.Azure/EventSourcing/CosmosDbEventCommit.cs

@@ -7,7 +7,6 @@
 
 using System;
 using Newtonsoft.Json;
-using NodaTime;
 
 namespace Squidex.Infrastructure.EventSourcing
 {

src/Squidex.Infrastructure.Azure/EventSourcing/CosmosDbEventStore.cs

@@ -11,7 +11,6 @@ using System.Threading;
 using System.Threading.Tasks;
 using Microsoft.Azure.Documents;
 using Microsoft.Azure.Documents.Client;
-using Newtonsoft.Json;
 
 namespace Squidex.Infrastructure.EventSourcing
 {

src/Squidex.Infrastructure.Azure/EventSourcing/FilterBuilder.cs

@@ -92,7 +92,7 @@ namespace Squidex.Infrastructure.EventSourcing
 
         private static void ForProperty(this List<string> filters, SqlParameterCollection parameters, string property, object value)
         {
-            filters.Add($"e.events.headers.{property} = @value");
+            filters.Add($"ARRAY_CONTAINS(e.events, {{ \"headers\": {{ \"{property}\": @value }} }}, true)");
 
             parameters.Add(new SqlParameter("@value", value));
         }