[titleCase] First word is not in Upper-first casing if it's an article or conjuction

[Eazash]

Environment

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Reproduction

titleCase('in world')
// actual: in World
// expected: In World

titleCase('and then')
// actual: and Then
// expected: And Then

Describe the bug

For any of the words that are 'title case exceptions', they are not transformed to Upper-First if they're coming first in a string

Additional context

No response

Logs

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