Merge pull request rails#46813 from ezekg/fix-unencrypted-joins-for-deterministic-active-record-encryption-follow-up

Fix rails#46789

Author: jonathanhefner

activerecord/lib/active_record/encryption/extended_deterministic_queries.rb

@@ -48,8 +48,9 @@ def process_arguments(owner, args, check_for_additional_values)
               args[0] = options
 
               owner.deterministic_encrypted_attributes&.each do |attribute_name|
+                attribute_name = attribute_name.to_s
                 type = owner.type_for_attribute(attribute_name)
-                if !type.previous_types.empty? && value = options[attribute_name.to_s]
+                if !type.previous_types.empty? && value = options[attribute_name]
                   options[attribute_name] = process_encrypted_query_argument(value, check_for_additional_values, type)
                 end
               end