MONGOID-4726 MONGOID-2951 Add code comment for related methods Mongoid::Fields.create_field_getter and Mongoid::Attributes#read_attribute (#5312)

Co-authored-by: shields <[email protected]>

Author: johnnyshields

lib/mongoid/attributes.rb

@@ -86,6 +86,7 @@ def has_attribute_before_type_cast?(name)
     def read_attribute(name)
       field = fields[name.to_s]
       raw = read_raw_attribute(name)
+      # Keep this code consistent with Mongoid::Fields.create_field_getter
       value = field ? field.demongoize(raw) : raw
       attribute_will_change!(name.to_s) if value.resizable?
       value

lib/mongoid/fields.rb

@@ -636,6 +636,7 @@ def create_field_getter(name, meth, field)
             if lazy_settable?(field, raw)
               write_attribute(name, field.eval_default(self))
             else
+              # Keep this code consistent with Mongoid::Attributes#read_attribute
               value = field.demongoize(raw)
               attribute_will_change!(name) if value.resizable?
               value