Fix for language specific languages.

src/Squidex.Domain.Apps.Core.Operations/GenerateEdmSchema/EdmSchemaExtensions.cs

@@ -48,7 +48,7 @@ namespace Squidex.Domain.Apps.Core.GenerateEdmSchema
 
                 foreach (var partitionItem in partition)
                 {
-                    partitionType.AddStructuralProperty(partitionItem.Key, edmValueType);
+                    partitionType.AddStructuralProperty(partitionItem.Key.EscapeEdmField(), edmValueType);
                 }
 
                 edmType.AddStructuralProperty(field.Name.EscapeEdmField(), new EdmComplexTypeReference(partitionType, false));

src/Squidex.Domain.Apps.Entities.MongoDb/Contents/Visitors/FindExtensions.cs

@@ -70,6 +70,11 @@ namespace Squidex.Domain.Apps.Entities.MongoDb.Contents.Visitors
                     result[1] = field.Id.ToString();
                 }
 
+                if (result.Count > 2)
+                {
+                    result[2] = result[2].UnescapeEdmField();
+                }
+
                 if (result.Count > 0)
                 {
                     if (result[0].Equals("Data", StringComparison.CurrentCultureIgnoreCase))