SBA SPAR Dynamic active W is not getting hit by STVs

(Generic issue template)

As per the code coverage report: https://ivas-codec-pc.3gpp.org/ivas-codec/coverage/lib_enc/ivas_spar_encoder.c.gcov.html

The dynamic active W functionality in SPAR SBA is not getting tested at the moment.

Links to fixes in various branches:

• The corresponding fix for FLOAT main branch is here: !2333 (merged)
• The corresponding fix for BASOP main branch is here: sa4/audio/ivas-basop!2529 (merged)
• The corresponding fix for basop-ci-branch is here: !2370 (merged)
• The corresponding fix for BASOP ivas-float-update branch is here: sa4/audio/ivas-basop!2557 (merged)