Encoder crash to saturation missing
# Basic info
<!--- Add commit SHA used to reproduce -->
- Encoder and Decoder (float):
- Encoder (fixed): d4fe090c
# Bug description
Possible saturation in gain_sq_enc discovered when running P800-10. This is EVS function, missing saturation op will be added.
# Ways to reproduce
Box folder: ...\Box_EXTERNAL_IVAS_BASOP_VERIFICATION\issues\issue-xxxx
<!-- Commandline or script -->
From P800-10:
```bash
-ism 4 \P800-10\proc_output\cat6\out_-26LKFS\preprocessing_2\cat6_concatenated.wav.0.csv \P800-10\proc_output\cat6\out_-26LKFS\preprocessing_2\cat6_concatenated.wav.1.csv \P800-10\proc_output\cat6\out_-26LKFS\preprocessing_2\cat6_concatenated.wav.2.csv \P800-10\proc_output\cat6\out_-26LKFS\preprocessing_2\cat6_concatenated.wav.3.csv 160000 48 \P800-10\proc_output\cat6\out_-26LKFS\preprocessing_2\cat6_concatenated.wav \P800-10\proc_output\cat6\out_-26LKFS\tmp_c17\cat6_concatenated.ivas.192
```
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issue