US1735231 - Added support for encoded tokens

[amoghng7]

Added support for encoded token and added a deprecation warning for decoded tokens

Testing done

Following tests were done:

1. Add a new Fortify Token

2. Insert a UUID token

3. A Warning "You are using a decoded token. Decoded tokens are deprecated and will not be supported in future releases!" must be displayed

4. Add a new Fortify Token

5. Insert any token

6. There must be no warning or error messages

7. Add a new Fortify Token

8. Keep the text box empty

9. There must be an error message "Token cannot be empty!"

Submitter checklist

• [ x ] Make sure you are opening from a topic/feature/bugfix branch (right side) and not your main branch!
• [ x ] Ensure that the pull request title represents the desired changelog entry
• [ x ] Please describe what you did
• [ x ] Link to relevant issues in GitHub or Jira
• [ x ] Link to relevant pull requests, esp. upstream and downstream changes
• [ x ] Ensure you have provided tests - that demonstrates feature works or fixes the issue