x11: log aw-none if _NET_ACTIVE_WINDOW == 0

[powellnorma]

Based on https://github.com/2e3s/awatcher/pull/28

[2e3s]

Thank you, the fix makes sense, but it needs to come first. If you prefer, I can cherry-pick it a bit later without the other change, unless you do.

[powellnorma]

If you prefer, I can cherry-pick it a bit later without the other change, unless you do.

IIRC they are intertwined, so probably there will be some conflicts when removing the first commit. I'd do it once I find the time and #28 is merged.

Feel free to do this earlier, if you'd like