fix: properly load depended on fields for relationships even if `publ…

…ic?: false`

lib/ash/actions/read/read.ex

@@ -473,7 +473,7 @@ defmodule Ash.Actions.Read do
 
   defp source_fields(query) do
     query
-    |> Ash.Query.accessing([:relationships])
+    |> Ash.Query.accessing([:relationships], false)
     |> Enum.flat_map(fn name ->
       case Ash.Resource.Info.relationship(query.resource, name) do
         %{no_attributes?: true} ->

lib/ash/code_interface.ex

@@ -588,7 +588,6 @@ defmodule Ash.CodeInterface do
                       require Ash.Query
                       {filters, params} = Map.split(params, unquote(filter_keys))
 
-
                       query
                       |> Ash.Query.for_read(unquote(action.name), params, query_opts)
                       |> Ash.Query.filter(filters)
@@ -641,7 +640,6 @@ defmodule Ash.CodeInterface do
                   end
                 else
                   quote do
-
                     if opts[:stream?] do
                       Ash.stream!(query, Keyword.drop(opts, [:stream?, :stream_options]))
                     else

lib/ash/query/query.ex

@@ -996,10 +996,20 @@ defmodule Ash.Query do
 
   Provide a list of field types to narrow down the returned results.
   """
-  def accessing(query, types \\ [:attributes, :relationships, :calculations, :aggregates]) do
+  def accessing(
+        query,
+        types \\ [:attributes, :relationships, :calculations, :aggregates],
+        only_public? \\ true
+      ) do
     query.resource
     |> Ash.Resource.Info.fields(types)
-    |> Stream.filter(& &1.public?)
+    |> then(fn fields ->
+      if only_public? do
+        Stream.filter(fields, & &1.public?)
+      else
+        fields
+      end
+    end)
     |> Stream.map(& &1.name)
     |> Enum.filter(&loading?(query, &1))
   end