feat(plugin-vite): support all export default expressions

[GauBen]

Description

Adds support for all export default expressions, when it was previously limited to export default function.

@baptistegrimaud Can you keep one const Component = ...; export default Component in #147 please?

Checklist

Source code

• I've considered the implications on security (in particular for changes to authentication, authorization, data fetching, ...)
• I've considered the implications on performances
• I've considered the implications on migration
• I've considered the implications on code maintainability

Tests

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

Documentation

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• I've provided user-facing documentation (Academy)

Tip

Documentation to guide the reviews: How to do a code review