
When `setUseCodeAsDefaultMessage(true)` was set on a message source, attempting to interpolate the default message returned from the message source would result in the code being unusable by upstream message resolvers. Fixes gh-28930
When `setUseCodeAsDefaultMessage(true)` was set on a message source, attempting to interpolate the default message returned from the message source would result in the code being unusable by upstream message resolvers. Fixes gh-28930