[DUOS-2788][risk=no] Fix edit button styling

[rushtong]

Addresses

https://broadworkbench.atlassian.net/browse/DUOS-2788

Summary

Minor style update for the edit button on the "Data Submissions" page

Before:

After:

---

Have you read Terra's Contributing Guide lately? If not, do that first.

• Label PR with a Jira ticket number and include a link to the ticket
• Label PR with a security risk modifier [no, low, medium, high]
• PR describes scope of changes
• Get a minimum of one thumbs worth of review, preferably two if enough team members are available
• Get PO sign-off for all non-trivial UI or workflow changes
• Verify all tests go green
• Test this change deployed correctly and works on dev environment after deployment

[fboulnois]

👍

[hams7504]

looks good! 👍