Assert in ic_bwe_enc_specMapping_ivas_fx of BASOP encoder with OMASA LTV input coded at 24.4 kbps
# Basic info
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- Fixed point:
- Encoder (fixed): ccb4b561afc
# Bug description
Using OMASA LTV input, assert happens in BASOP encoder function `ic_bwe_enc_specMapping_ivas_fx` at frame 726. This happens only at bitrate 24.4 kbsp.
Here is the stack trace:

# Ways to reproduce
<!--Commandline or script-->
With LTV test vectors, use the following command line
```bash
IVAS_cod -ism_masa 2 2 ltv48_OMASA_2ISM_2TC_ISM1.csv ltv48_OMASA_2ISM_2TC_ISM2.csv ltv48_OMASA_2ISM_2TC.met -max_band swb 24400 48 ltv48_OMASA_2ISM_2TC.wav test_0051.bs
```
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issue