In your sentence, that is the subject, so no inversion normally takes place. Also, the ultimate clause is an announcement, not a matter: that is performing for a relative pronoun, not as an issue phrase. Precisely the same would implement if it were being an adverbial. Compare both of these https://hectorfqxzr.ourcodeblog.com/36755752/5-simple-statements-about-constitution-law-in-dha-karachi-pakistan-explained