Frequency overshoot in MDCT-stereo @48kbps WB
# Basic info
<!--- Add commit SHA used to reproduce -->
- Float reference:
- Decoder (float):05f58f7271155ebaf12707893875076e32e8f07f
- Fixed point:
- Encoder (fixed):12778592892ffaa19a76baf66a497041764656fc
# Bug description
For this particular issue, beside the observed quality issues that are observed at this bitrate (see https://forge.3gpp.org/rep/sa4/audio/ivas-basop/-/issues/1078) there is a frequency overshoot at frame 120 as can be seen at the spectrogram below:

# Ways to reproduce
Box folder: ...\Box_EXTERNAL_IVAS_BASOP_VERIFICATION\issues\issue-1190
<!-- Commandline or script -->
```bash
./IVAS_cod -stereo -max_band WB 48000 16 dp03a1s01_16.wav bit.192
./IVAS_dec_flt_ref stereo 16 bit.192 out.wav
```
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issue