[WIP] Add wlr_idle_listen, needed by sway idle_v2
Created by: snaggen
Adding wlr_idle_listen to use idle timers without going through the idle protocol, but using the timers directly. Needed by sway idle_v2 https://github.com/swaywm/sway/pull/1831
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Created by: snaggen
Adding wlr_idle_listen to use idle timers without going through the idle protocol, but using the timers directly. Needed by sway idle_v2 https://github.com/swaywm/sway/pull/1831