ptz: Fix wrong minimum setting for face_lost_zoomout_timeout

The setting "face_lost_zoomout_timeout" should take 0.0 so that the
option will be disabled.

src/face-tracker-ptz.cpp

@@ -418,7 +418,7 @@ static obs_properties_t *ftptz_properties(void *data)
 		obs_property_float_set_suffix(p, " s");
 		obs_properties_add_int(pp, "face_lost_ptz_preset", "Recall memory (-1 for disable)", -1, 15, 1);
 		obs_properties_add_group(props, "facelost", obs_module_text("Face lost behavior"), OBS_GROUP_NORMAL, pp);
-		p = obs_properties_add_float(pp, "face_lost_zoomout_timeout", "Timeout until zoom-out", 0.1, 60.0, 0.1);
+		p = obs_properties_add_float(pp, "face_lost_zoomout_timeout", "Timeout until zoom-out", 0.0, 60.0, 0.1);
 		obs_property_float_set_suffix(p, " s");
 	}