Complexity measurement crashes: OMASA encoder
# Basic info
<!--- Add commit SHA used to reproduce -->
- Encoder (fixed):06ecd7a7
# Bug description
3 encoder modes from the complexity measurements crash for OMASA mode, see: https://forge.3gpp.org/rep/sa4/audio/ivas-basop/-/jobs/416506
# Ways to reproduce
Run all modes with
```
python3 scripts/runIvasCodec.py -p ci_linux_ltv_local.json -m OMASA_ISM2_2TC_b32_wb_cbr OMASA_ISM2_2TC_b48_wb_cbr OMASA_ISM2_2TC_b64_wb_cbr OMASA_ISM4_1TC_b256_fb_cbr -e ./IVAS_cod_fx -d ./IVAS_dec_fx
```
<!-- Commandline or script -->
```bash
IVAS_cod_fx -ism_masa 2 2 ltv48_OMASA_2ISM_2TC_ISM1.csv ltv48_OMASA_2ISM_2TC_ISM2.csv ltv48_OMASA_2ISM_2TC.met -max_band wb 32000 16 ltv48_OMASA_2ISM_2TC_16_OMASA_ISM2_2TC.pcm ltv48_OMASA_2ISM_2TC_OMASA_ISM2_2TC_b32_wb_cbr.192
IVAS_cod_fx -ism_masa 2 2 ltv48_OMASA_2ISM_2TC_ISM1.csv ltv48_OMASA_2ISM_2TC_ISM2.csv ltv48_OMASA_2ISM_2TC.met -max_band wb 48000 16 ltv48_OMASA_2ISM_2TC_16_OMASA_ISM2_2TC.pcm ltv48_OMASA_2ISM_2TC_OMASA_ISM2_2TC_b48_wb_cbr.192
IVAS_cod_fx -ism_masa 2 2 ltv48_OMASA_2ISM_2TC_ISM1.csv ltv48_OMASA_2ISM_2TC_ISM2.csv ltv48_OMASA_2ISM_2TC.met -max_band wb 64000 16 ltv48_OMASA_2ISM_2TC_16_OMASA_ISM2_2TC.pcm ltv48_OMASA_2ISM_2TC_OMASA_ISM2_2TC_b64_wb_cbr.192
```
results in a BASOP assertion
```
Assertion failed: (0), function L_add, file basop32.c, line 1661.
```
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issue