Stereo Decoder: LP-CNG Highband missing/attenuated
# Basic info
<!--- Add commit SHA used to reproduce-->
- Fixed point:
- Encoder (fixed): n/a
- Decoder (fixed): c14667cdc938c92e3cbf29a997fb2807f60efc84
# Bug description
This is a follow-up to #2380: With the regression from #2380 fixed, there is still an issue in the BASOP decoder compared to floating-point: The LP-CNG highband is apparently missing or strongly attenuated at one spot:
**BASOP:**

**Float:**

# Ways to reproduce
Bitstream:
[bit.zip](/uploads/444b9b40cd8a7650347cdf278a404bdd/bit.zip)
<!--Commandline or script-->
```bash
IVAS_dec stereo 16 bit.192 out.wav
```
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issue