Feature/email template debugger

[poojithavalli22]

PR Description:

This helps visualize how email templates will render with different data contexts, test notification conditions, and troubleshoot email-related issues without sending actual emails

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[ravichandra1998g]

Hello @poojithavalli22

Can you please include the working screenshots that would explain what this code does.
This will help understand the functionality if anyone wants to explore this use case.

[ravichandra1998g]

I had to mark this as SPAM as this is the 5th PR with non working code. I have given the notice on #2293.