agent-gather script does not collect agent-tui logs

Login into a node (before bootstrap is completed), and run agent-gather script

1. ssh into one of the node
2. run agent-gather
3. Check the content of the produced tar artifacts

The agent-gather-*.tar.xz does not contain agent-tui logs

The agent-gather-*.tar.xz must contain /var/log/agent/agent-tui.log

agent-tui logs are fundamental to troubleshoot any eventual issue that could happen during the bootstrap, affecting the agent-tui console.