Decoder MC 5.1 at 24.4kbps to mono output scaling issue
# Basic info
<!--- Add commit SHA used to reproduce -->
- Float reference:
- Encoder (float): db364042fba738d5d0f9823c047e75edea62bae7
- Decoder (float): db364042fba738d5d0f9823c047e75edea62bae7
- Fixed point:
- Encoder (fixed): 6c320724ac154bae0b720af82641e0df71ffdfc7
- Decoder (fixed): 6c320724ac154bae0b720af82641e0df71ffdfc7
# Bug description
Decoding the provided multichannel bitstream to MONO output results in a high MLD of 50.9, with the fixed point output containing data outside the coded bandwidth.
Float output (-10.34 LUFS):
{width=540 height=506}
Fixed output (-5.59 LUFS):
{width=540 height=506}
# Ways to reproduce
Box folder: ...\Box_EXTERNAL_IVAS_BASOP_VERIFICATION\issues\issue-1793
<!-- Commandline or script -->
```bash
./IVAS_dec mono 48 bit out.wav
```
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issue