fix(windows): Refresh setings on 64-bit apps
fix(windows): Refresh setings on 64-bit apps

Fixes #4289.

Some settings changes would not apply immediately for 64-bit apps, as
the refresh was not being processed until keymanx64 received focus (i.e.
never, as keymanx64 does not have a visible window!)

tavultesoft/keymanweb,tavultesoft/keymanweb