fix: undefined in log while creating a new monitor

[prabhsharan36]

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📝 Describe your problem
Hi,
While I was setting up the monitors, I saw undefined was written in info log. I checked the monitor object and found there's no id in that object which we are using while logging the info log resulting in undefined.

📝 Error Message(s) or Log
[MONITOR] INFO: Added Monitor: undefined User ID: 1

🐻 Uptime-Kuma Version
1.23.13

💻 Operating System and Arch
N/A

🌐 Browser
N/A

🖥️ Deployment Environment
x

✔️ Solution
Logging monitor.name instead of monitor.id

Screenshots

[CommanderStorm]

PRs welcome.
This sould be replaced by bean.id though, not the monitor.name.