sanitize MIDI parser (#38806)

Co-authored-by: Pieter-Jan Briers <pieterjan.briers@gmail.com>

Content.Client/Instruments/MidiParser/MidiParser.cs

@@ -102,6 +102,8 @@ public static class MidiParser
                         // 0x03 is TrackName,
                         // 0x04 is InstrumentName
 
+                        // This string can potentially contain control characters, including 0x00 which can cause problems if it ends up in database entries via admin logs
+                        // we sanitize TrackName and InstrumentName after they have been send to the server
                         var text = Encoding.ASCII.GetString(metaData, 0, (int)metaLength);
                         switch (metaType)
                         {