BASOP porting MR 59/61/67 - Port MR 1360 into float-pc

• Link to issue in BASOP repo: #1596 (closed), #1598 (closed), #1602 (closed)
• Link to original MR in float repo:
  • ivas-codec-pc/ivas-codec!1360 (merged) first introduction of switch
  • ivas-codec-pc/ivas-codec!1381 (merged) switch disabled
  • ivas-codec-pc/ivas-codec!1385 (merged) switch updated to final state
• Requested reviewers: @kiene