Merge branch 'basop-2472-msan-use-of-uninitialized-value-in-lib_enc-ivas_mct_enc_mct_fx-c-1115-21' into 'main' [non-BE][split-non-BE] Resolve "MSAN: use-of-uninitialized-value in lib_enc/ivas_mct_enc_mct_fx.c:1115:21" Closes #2472 See merge request !2870
