[6.10.2] unraid docker console via webgui, invisible _ after using less

If you open up a docker console, the _ character can be seen on the cli (editline) just fine.

Then if you use less to view a file and then exit. Then the _ is no longer visible. If you press enter afterwards you can see it actually is there, just the editline is not showing it. I assume its prob some line height issue?

example: