Add loading state and toast notifications to PingTab

[olishiz]

• Implement toast notifications for ping status (loading, success, error)
• Add Bell icon to ping button for better UX

Motivation and Context

• Better UI experience for the Ping toast message

How Has This Been Tested?

Production

Breaking Changes

No, only UI changes

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)
• Documentation update

Checklist

• I have read the MCP Documentation
• My code follows the repository's style guidelines
• New and existing tests pass locally
• I have added appropriate error handling
• I have added or updated documentation as needed

Additional context

Image as seen here:

[olaservo]

Hi @olishiz , thanks for the PR. Were you table to test this with a failed ping as well?

[olishiz]

Hi @olishiz , thanks for the PR. Were you table to test this with a failed ping as well?

Yes, I tested it locally as it seems when I shut down the server, it will show the error message.

I believed the error will be handled properly and it will show on the toast message to the user