[Regression2553] Artifact in HOA3, Bitrate Switching
# Basic info
<!--- Add commit SHA used to reproduce-->
- Fixed point:
- Encoder (fixed): 496d928d46719161bc5c05600fc4de510d684e6e
- Decoder (fixed): n/a
# Bug description
Seems that MR !2553 introduced another audible "plop" for an HOA3 bitstream with bitrate switching which wasn't there before and is not present in float:
{width=900 height=566}
Occurs at approx. 120s.
# Ways to reproduce
<!--Commandline or script-->
```bash
IVAS_cod -sba 3 ivas-codec/scripts/switchPaths/sw_13k2_512k.bin 48 ltv48_HOA3.wav out.192
IVAS_dec IVAS_dec HOA3 48 out.192 out.wav
```
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issue