Add config value to hide label gun chat messages

> disuso — 4:25 PM
is there a way to hide this thing in the chat?

https://discord.com/channels/967118679370264627/967119184209264790/1466182488660377809

<img width="640" height="217" alt="Image" src="https://github.com/user-attachments/assets/d452c8f4-1adc-4518-a442-c64b55710262" />

Image: "Pushed labels to the manager." shown in chat