Fix OOB scaling of output_32_fx[] in JBM at 16kHz

• Related issues: sa4/audio/ivas-basop#2396 (closed)
• Requested reviewers:

Reason why this change is needed

• OOB scaling of buffer output_32_fx[] in JBM at 16kHz in BASOP.
• The FLP MR is to align the two frameworks.

Description of the change

• Fix the length of TC buffers.

Affected operating points

• All is BE.