fix: access record inside field on update requests (#3808)

* fix: field record access

* lint

* hydrate record when getting field definitions

Author: Paul-Bob

lib/avo/concerns/has_items.rb

@@ -134,7 +134,7 @@ def get_field_definitions(only_root: false)
             self
           end
 
-          field.hydrate(resource:, user:, view:)
+          field.hydrate(resource:, user:, view:, record: resource.record)
         end
       end
 

spec/dummy/app/avo/resources/user.rb

@@ -116,7 +116,11 @@ def main_panel_fields
     field :active, as: :boolean, name: "Is active", only_on: :index
     field :cv, as: :file, name: "CV"
     field :is_admin?, as: :boolean, name: "Is admin", only_on: :index
-    field :roles, as: :boolean_group, options: {admin: "Administrator", manager: "Manager", writer: "Writer"}
+    field :roles, as: :boolean_group, options: -> do
+      # test condition
+      raise if record.nil?
+      {admin: "Administrator", manager: "Manager", writer: "Writer"}
+    end
     field :permissions, as: :boolean_group, options: {create: "Create", read: "Read", update: "Update", delete: "Delete"}
     field :birthday,
       as: :date,