feat(fw-toast): Handles prevent rendering the duplicate toaster multiple times with in the timeout period

[madhan028]

Checklist:

• [x] My code follows the code style of this project.
• [x] My change requires a change to the documentation.
• [x] I have updated the documentation accordingly.
• [ ] I have added tests to cover my changes.
• [x] All new and existing tests passed.
• [x] My commits have standard messages as mentioned in Contributing Guidelines

How Has This Been Tested?

[arvindanta]

@madhan028 Great work :)