It's great that I can do a look up to see if a Mac Address is whitelisted directly from the Device Tracker Endpoint Details page, however this is a java script call to another page and as such I can't open it in a new tab and this increase the number of clicks and windows to check and then add the MAC to a white list.
It would be much nicer if I was show where a MAC is whitelisted under the information about the node and the current button replaced by an improved work flow for adding the MAC to an existing whitelist (e.g. Add to Whitelist then select whitelist you want to add it too).