VOTE-2112 Add data attribute to NVRF button

[SamiraMSadat]

Jira ticket

https://cm-jira.usa.gov/browse/VOTE-2112

Description

Add a custom attribute for GA data to button component
Add data-state-ext attribute to the NVRF button

Deployment and testing

Post-deploy steps

1. lando retune

QA/Testing instructions

1. Add the NVRF button content in the NVRF selector block
2. View the source code and confirm the NVRF button has the data-state-ext attribute set to "nvrf-pdf-tool-registration"

Checklist for the Developer

• A link to the JIRA ticket has been included above.
• No merge conflicts exist with the target branch.
• Automated tests have passed on this PR.
• A reviewer has been designated.
• Deployment and testing steps have been documented above, if applicable.

Checklist for the Peer Reviewers

• The file changes are relevant to the task objective.
• Code is readable and includes appropriate commenting.
• Code standards and best practices are followed.
• QA/Test steps were successfully completed, if applicable.
• Applicable logs are free of errors.