mutt: Fix insta-download macros
mutt: Fix insta-download macros

Didn't have the Work variant hooked up.

Added `<sync-mailbox>` to force an immediate refresh.

wincent/wincent,wincent/wincent,wincent/wincent,wincent/wincent,wincent/wincent,wincent/wincent,wincent/wincent,wincent/wincent