win-capture: Faster display / window capture updates

When changing the target for display or window capture, force a
refresh of the source by setting the timer to fire immediately. This
removes 1-3 seconds of "lag" before the new display or window is
visible and makes the UI feel more responsive.

Closes https://github.com/obsproject/obs-studio/issues/2322

plugins/win-capture/duplicator-monitor-capture.c

@@ -58,7 +58,7 @@ static inline void update_settings(struct duplicator_capture *capture,
 	capture->x = 0;
 	capture->y = 0;
 	capture->rot = 0;
-	capture->reset_timeout = 0.0f;
+	capture->reset_timeout = RESET_INTERVAL_SEC;
 
 	obs_leave_graphics();
 }