Update edit file buttons and spacing

What does this MR do?

Closes #273316 (closed). Updates buttons on the edit file page to Pajamas specs.

Follow up changes

• The soft-wrap and soft-unwrap icons are not vertically aligned:

soft-wrap icon	soft-unwrap icon

Screenshots (strongly suggested)

Before	After

Does this MR meet the acceptance criteria?

Conformity

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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.
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Security

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Related to #273316 (closed)