Describe the bug
indexing nil type error in GroupBulletinBoard.lua:826

Introduced in #240

• see b62b597

To Reproduce

1. Enable the "Add more info to chat on /who and when somebody comes online" option
2. Add a random person on your friendlist to trigger the "has come online" message

Screenshots

Additional context
just have to remove the req.class with class in call to GBB.Tool.GetClassIcon

txt="|Hplayer:"..name.."|h"
	..(GBB.Tool.GetClassIcon(class) or "")
	.."|c"..GBB.Tool.ClassColor[class].colorStr .. name.."|r"
	..symbol.."|h";

**reposting from curseforge comment#664 **