[QuickAccent] Add capitalization for Superscript Latin Small Letter N

[PesBandi]

Summary of the Pull Request

Adds capitalization for ⁿ (U+207F Superscript Latin Small Letter N -> ᴺ (U+1D3A Modifier Letter Capital N).
This technically isn't a Unicode case pair, however there isn't any official capitalization for ⁿ and also where else would a user expect ᴺ if not on Shift+N.

PR Checklist

• Closes: Incorrect capitalization of exponent 'n' in exponential notation #26060
• Communication: I've discussed this with core contributors already. If the work hasn't been agreed, this work might be rejected
• Tests: Added/updated and all pass
• Localization: All end-user-facing strings can be localized
• Dev docs: No need
• New binaries: None
• Documentation updated: No need

Detailed Description of the Pull Request / Additional comments

Validation Steps Performed

Manually tested

[jiripolasek]

/azp run

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