TeleportCloak may be the one you're after. You'll need to tick the "Load out of date" box but it still seems to work.
https://www.curseforge.com/wow/addons/teleportcloak
There is also one named PortGear. Which can be found here and on Curseforge.
https://www.wowinterface.com/downloa...Gear.html#info
https://www.curseforge.com/wow/addons/portgear