Signalling Server logging missing some messages

[MWillWallT]

UE Version:
5.3

Frontend Version:
Master

Problem component
Signalling Server logs

Description
The signalling server logs are currently not saving certain messages into the saved log file. Visible in the actual SS terminal, but not the saved file.

Steps to Reproduce:
Run basic local stream
Run stresstest
Look for No PlayerID Specified in the terminal window
Quit the session and close the SS
Navigate to SignallingWebServer/logs
Open the most recent log
Note lack of No PlayerID message

Expected behavior
All messages that occur in a signalling server should be saved to the log

Platform (please complete the following information):
Windows