WARNING! Gitlab maintenance operation scheduled for Monday, 20 April between 12:00 and 14:00 (CET). During this time window, short service interruptions (less than 5 minutes) may occur. Thank you in advance for your understanding.

Harmonize TonalMDCTConceal_Detect_fx() and TonalMDCTConceal_Detect_ivas_fx()

Bug description

Seems there is some potential to harmonize TonalMDCTConceal_Detect_fx() and TonalMDCTConceal_Detect_ivas_fx(), ideally in a BE manner.