[MAT-7639] Remove extraneous label on DateTimeField Component

[jkotanchik-SB]

MADiE PR

Jira Ticket: MAT-7639
(Optional) Related Tickets:

Summary

Remove extra label from DateTimeField.
Update styling to ensure consistent field height with other inputs.

All Submissions

• This PR has the JIRA linked.
• Required tests are included.
• No extemporaneous files are included (i.e Complied files or testing results).
• This PR is merging into the correct branch.
• All Documentation needed for this PR is Complete (or noted in a TODO or other Ticket).
• Any breaking changes or failing automations are noted by placing a comment on this PR.

DevSecOps

If there is a question if this PR has a security or infrastructure impact, please contact the Security or DevOps engineer assigned to this project to discuss it further.

• This PR has NO significant security impact (i.e Changing auth methods, Adding a new user type, Adding a required but vulnerable package).
• All CDN/Web dependencies are hosted internally (i.e MADiE-Root Repo).

Reviewers

By Approving this PR you are attesting to the following:

• Code is maintainable and reusable, reuses existing code and infrastructure where appropriate, and accomplishes the task’s purpose.
• The tests appropriately test the new code, including edge cases.
• If you have any concerns they are brought up either to the developer assigned, security engineer, or leads.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 94.36%. Comparing base (c660f7b) to head (eaec2e6).
Report is 4 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #269      +/-   ##
==========================================
- Coverage   94.53%   94.36%   -0.18%     
==========================================
  Files          34       34              
  Lines         586      586              
  Branches      210      210              
==========================================
- Hits          554      553       -1     
- Misses         31       32       +1     
  Partials        1        1              

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