alt (option) + b/f doesn't work on iTerm2 on macOS

[ericcurtin]

alt (option) + b/f don't work on iTerm2 on macOS.
option + arrow left/right does.

[sathiraumesh]

hi. @ericcurtin can i look into this and start working on this as well ?

[doringeman]

Thanks @sathiraumesh, I assigned this to you. 🙌