On the emacs wiki for evil there is a section about this: Managing keymaps > Overriding and intercept keymaps:
Overriding and intercept keymaps
There are Emacs modes that provide their own single letter key bindings, independent of Evil. BufferMenu, Ediff, and Edebug are a few examples. By default, Evil allows these modes’ keymaps to override Evil’...
If there's no such command in Vim, there won't be one in Evil either. If there is one, but it doesn't work right, consider reporting a bug. :wbd isn't a thing in my Vim, but it's not hard to recreate it with a bit of Emacs Lisp:
(evil-define-command evil-write-and-kill-buffer (path)
"Save and kill buffer."