adding back FIX_1478_UNINIT_ON_BFI not present in the harmonized GSC enc code

Basic info

• Float reference:
  • Encoder (float):
  • Decoder (float):
• Fixed point:
  • Encoder (fixed): 8c4042de
  • Decoder (fixed):

Bug description

When working on 1904 (Harmonization of EVS and IVAS GSC code), the clang the fix 1478 has been missing in the harmonized code.

Ways to reproduce

Box folder: ...\Box_EXTERNAL_IVAS_BASOP_VERIFICATION\issues\issue-xxxx