Follow-up to #447. Focus Previous can record unfocused windows during a workspace switch, then select a local window instead of the previously focused one. Failure trace: [log](https://gist.github.com/henry-p/5bdbd203430a0f80dcdef1540fd76e80) Success trace: [log](https://gist.github.com/henry-p/2033db0934dbb33a02010fe9c6811c8c)
Follow-up to #447.
Focus Previous can record unfocused windows during a workspace switch, then select a local window instead of the previously focused one.
Failure trace: log
Success trace: log