Replace non-existent face for paradox-menu-mode
Replace non-existent face for paradox-menu-mode

Paradox menu mode specifies all-the-icons-grey as its face, this does
not exist among the defined faces. Silver seems to be an ok substitution.

domtronn/all-the-icons.el,domtronn/all-the-icons.el,domtronn/all-the-icons.el,domtronn/all-the-icons.el,domtronn/all-the-icons.el