Navigator: Publish mission validity in mission result

src/modules/navigator/navigator_main.cpp

@@ -125,6 +125,7 @@ Navigator::Navigator() :
 	_att_sp{},
 	_home_position_set(false),
 	_mission_item_valid(false),
+	_mission_instance_count(0),
 	_loop_perf(perf_alloc(PC_ELAPSED, "navigator")),
 	_geofence{},
 	_geofence_violation_warning_sent(false),
@@ -663,6 +664,8 @@ int navigator_main(int argc, char *argv[])
 void
 Navigator::publish_mission_result()
 {
+	_mission_result.instance_count = _mission_instance_count;
+	
 	/* lazily publish the mission result only once available */
 	if (_mission_result_pub > 0) {
 		/* publish mission result */
@@ -679,6 +682,7 @@ Navigator::publish_mission_result()
 	_mission_result.item_do_jump_changed = false;
 	_mission_result.item_changed_index = 0;
 	_mission_result.item_do_jump_remaining = 0;
+	_mission_result.valid = true;
 }
 
 void