Update commit page buttons and spacing

What does this MR do?

Closes #273284 (closed). Updates the buttons and spacing when viewing a commit page.

Screenshots (strongly suggested)

Before	After

Does this MR meet the acceptance criteria?

Conformity

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• Documentation (if required)
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Availability and Testing

• Review and add/update tests for this feature/bug. Consider all test levels. See the Test Planning Process.
• Tested in all supported browsers
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Security

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Related to #273284 (closed)