Fixed point renderer crashed when rendering ISM stream to FOA at 16kHz
# Basic info
<!--- Add commit SHA used to reproduce-->
- Float reference:
- Encoder (float):
- Decoder (float):
- Fixed point:
- Encoder (fixed):
- Decoder (fixed):
- Renderer (fixed): e6334462
# Bug description

# Ways to reproduce
Box folder: ...\\Box_EXTERNAL_IVAS_BASOP_VERIFICATION\\issues\\issue-1263
<!--Commandline or script-->
```bash
IVAS_rend -i in_1.wav -if ISM1 -im bm6ba1s14.wav.0.csv -o rend_1.wav -of FOA -fs 16
```
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issue