Add an option to not show broadcast message (type: banner) in the CLI

What does this MR do and why?

The default behavior for banner type broadcast messages is to be shown on top of page and in CLI as Git remote responses. This MR implements an option to allow the message to not show in CLI.

Screenshots or screen recordings

Before	After

How to set up and validate locally

1. Login as admin
2. 1. Go to admin dashboard (/admin)
3. Click Messages from sidebar

MR acceptance checklist

This checklist encourages us to confirm any changes have been analyzed to reduce risks in quality, performance, reliability, security, and maintainability.

• I have evaluated the MR acceptance checklist for this MR.

Related to #412200 (closed)