Only promote units that aren't already

There's a big issue with this but I don't know how to fix it yet...
And that is that giving people assistant triggers a group update
Which triggers give people assistant
And so on...

Modules/Inviter.lua

@@ -15,10 +15,12 @@ function shared.Inviter.Init()
 		if Heimdall_Data.config.inviter.agentsAssist then
 			shared.dumpTable(Heimdall_Data.config.agents)
 			for name, _ in pairs(Heimdall_Data.config.agents) do
+				if not UnitIsRaidOfficer(name) then
 					PromoteToAssistant(name, true)
 				end
 			end
 		end
+	end
 
 	local inviterGroupFrame = CreateFrame("Frame")
 	inviterGroupFrame:RegisterEvent("GROUP_ROSTER_UPDATE")