fix: update box spacing values

[QuintonJason]

Description

• Box - resolve core spacing values not resolving to proper corresponding CSS to resolve reported issue

Fixes DSS-38

Type of change

• Bug fix (non-breaking change which fixes an issue)

How Has This Been Tested?

Visit the Box view -> Using Core Spacing Tokens

• tested manually

Test Configuration:

• Pine versions:
• OS:
• Browsers:
• Screen readers:
• Misc:

Checklist:

If not applicable, leave options unchecked.

• My code follows the style guidelines of this project
• I have performed a self-review of my code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• My changes generate no new warnings
• I have added tests that prove my fix is effective or that my feature works
• New and existing tests pass locally with my changes
• Design has QA'ed and approved this PR

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[pixelflips]

LGTM!