Merge pull request rails#54192 from tenderlove/no-dup-on-frozen

Don't dup query values if they're frozen

Author: tenderlove

activerecord/lib/active_record/relation/query_attribute.rb

@@ -15,7 +15,9 @@ def initialize(...)
         elsif @type.serialized?
           value_for_database
         elsif @type.mutable? # If the type is simply mutable, we deep_dup it.
-          @value_before_type_cast = @value_before_type_cast.deep_dup
+          unless @value_before_type_cast.frozen?
+            @value_before_type_cast = @value_before_type_cast.deep_dup
+          end
         end
       end