Thanks for checking before doing what ChatGPT suggests - ChatGPT and and other generative AI tools can be prone to error, so it is good to check.
This post seems to support what is being suggested to you, although the use case is slightly differentl: Article title cut off at first advanced unicode character - #2 by asmecher I may have @asmecher confirm to be certain.
One important thing to keep in mind, is to backup your database before making any changes. That will allow you to try it, and revert back, in case it becomes problematic.
-Roger
PKP Team