Disable prop on ToggleButton not working

[NellyHaglund]

I'm submitting a ... (check one with "x")

[x] bug report
[ ] feature request
[ ] support request => Please do not submit support request here, instead see https://forum.primefaces.org/viewforum.php?f=57

Current behavior
disabled prop on ToggleButton component not disabling onclick on the button, but only applies disabled style.

Expected behavior
As well as applying disabled styling on the button, it should disable any actions connected to the button.