Slightly high MLD for one case of MASA LTV EXT output in BASOP decoder
# Basic info
<!--- Add commit SHA used to reproduce -->
- Float reference:
- Encoder (float): d3f01fcfb24df875b610c5c83cb1739811073deb
- Decoder (float): d3f01fcfb24df875b610c5c83cb1739811073deb
- Fixed point:
- Decoder (fixed): 182c2a508
# Bug description
There is a slightly high MLD score (5.2) for MASA LTV when using float encoder and BASOP decoder. Not a serious issue but this is constant bitrate without DTX or FER so it probably should be even closer to reference. Not a serious issue though but good to note.
The time domain plot gives a clue that there is a diff burst within a noise section of the file, see the plots. It might be that the diff could be audible the signal itself was not pure noise at the diff burst section.

# Ways to reproduce
<!-- Commandline or script -->
```bash
IVAS_cod -masa 2 ltv48_MASA2TC.met -max_band wb 24400 16 ltv16_MASA2TC.wav test_0287.bs
IVAS_dec EXT 48 test_0287.bs 0287_ltv16_MASA2TC.wav_24k4_16-48___EXT.wav
```
<!--- Below are labels that will be added but are not shown in description. This is a template to help fill them.
Add further information to the first row and remove and add labels as necessary. -->
issue