In recent Chrome versions, EXWM has some issue around handing focus
back to the application. There is a Github issue about this and this
commit implements the suggested workaround, which I've verified
locally.
Change-Id: Ib451e8d8b34921665c3015853850d12e04612929
Reviewed-on: https://cl.tvl.fyi/c/depot/+/2342
Tested-by: BuildkiteCI
Reviewed-by: tazjin <mail@tazj.in>