mavlink, commander: Get back close to original stack sizes. Although tests came clean, we do not want to take any chances

src/modules/commander/commander.cpp

@@ -249,7 +249,7 @@ int commander_main(int argc, char *argv[])
 		daemon_task = task_spawn_cmd("commander",
 					     SCHED_DEFAULT,
 					     SCHED_PRIORITY_MAX - 40,
-					     2800,
+					     3000,
 					     commander_thread_main,
 					     (argv) ? (const char **)&argv[2] : (const char **)NULL);