fix(library): relax jahiaComponent return type

[GauBen]

Description

Represents all of the things React can render.
Where ReactElement only represents JSX, ReactNode represents everything that can be rendered.

Checklist

Source code

• I've shared and documented any breaking change
• I've reviewed and updated the jahia-depends

Tests

• I've provided Unit and/or Integration Tests
• I've updated the parent issue with required manual validations

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[Copilot]

Pull request overview

This PR relaxes the return type constraint for Jahia components from JSX.Element to ReactNode, providing more flexibility for component implementations while maintaining type safety.

Key Changes:

• Updated the generic type constraint in jahiaComponent function from JSX.Element to ReactNode
• Updated the wrap function's component parameter type to match the new return type
• Changed import from JSX type to ReactNode type from React

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