Assert in ivas_dirac_dec_output_synthesis_process_subframe_psd_ls_fx of BASOP decoder for OMASA bitstream
# Basic info
<!--- Add commit SHA used to reproduce -->
- Float reference:
- Encoder (float): d3f01fcfb24df875b610c5c83cb1739811073deb
- Fixed point:
- Encoder (fixed): 182c2a508
- Decoder (fixed): 182c2a508
# Bug description
Probably as a side effect of fix in MR !1493, there is now a crash in DirAC renderer for OMASA bitstream. See stack trace

# Ways to reproduce
<!-- Commandline or script -->
```bash
IVAS_cod -ism_masa 3 1 ltv48_OMASA_3ISM_1TC_ISM1.csv ltv48_OMASA_3ISM_1TC_ISM2.csv ltv48_OMASA_3ISM_1TC_ISM3.csv ltv48_OMASA_3ISM_1TC.met -max_band swb 24400 48 ltv48_OMASA_3ISM_1TC.wav test_0241.bs
IVAS_dec MONO 48 test_0241.bs 0241_ltv48_OMASA_3ISM_1TC.wav_24k4_48-48___MONO.wav
```
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issue