fix: 🚑️ reorder query processing to apply sorting before includes for better EF Core compatibility

Author: Nåkkve Kierulf

JsonApiToolkit/Controllers/JsonApiController.cs

@@ -160,26 +160,27 @@ string resourceType
             parameters.Include
         );
 
-        // Apply filtered includes if we have any include filters
-        if (includeFilters.Count > 0)
-        {
-            queryable = queryable.ApplyFilteredIncludes(mappedIncludes, includeFilters);
-        }
-        else
-        {
-            // Regular includes without filters
-            queryable = queryable.ApplyIncludes(mappedIncludes);
-        }
-
         IQueryable<T> filteredQuery = queryable;
 
-        // Apply only the main entity filters (include filters were already applied)
+        // Apply main entity filters first
         if (mainFilters != null)
             filteredQuery = filteredQuery.ApplyFilters(mainFilters);
 
+        // Apply sorting before includes to prevent EF Core query translation issues
         if (parameters.Sort?.Count > 0)
             filteredQuery = filteredQuery.ApplySorting(parameters.Sort);
 
+        // Apply filtered includes after sorting to avoid complex query translation issues
+        if (includeFilters.Count > 0)
+        {
+            filteredQuery = filteredQuery.ApplyFilteredIncludes(mappedIncludes, includeFilters);
+        }
+        else
+        {
+            // Regular includes without filters
+            filteredQuery = filteredQuery.ApplyIncludes(mappedIncludes);
+        }
+
         int totalCount = await filteredQuery.CountAsync().ConfigureAwait(false);
 
         if (parameters.Pagination != null)