Justwait has released the new addon, Teleport Me(nu), consolidating Hearthstones and Heroes Path: Teleport skills to the game menu! Wanna get away? Just hit escape.
Teleport Me(nu) on Curseforge
In limited testing, the simple addon appears to work exactly as advertised, with no apparent issues or downsides. The addon description is similarly straightforward, offering a handful of minor customizations, including the (personally) recommended option to use a random hearthstone toy for a little bit of extra variety:
10/10 would teleport again.