chore(maintenance): adjust type exports in parameters & idempotency

[dreamorosi]

Description of your changes

This PR modifies some of the type exports for the Parameters and Idempotency packages which, as reported in the linked issue, were incorrect.

The misconfiguration was not causing any runtime issue because it affected only exports that are ever used only during development (types are not used at runtime and in most cases are removed from the code altogether).

The PR aligns the type exports in the two packages to the ones found in all the other packages.

Related issues, RFCs

Issue number: #2284

Checklist

• My changes meet the tenets criteria
• I have performed a self-review of my own code
• I have commented my code where necessary, particularly in areas that should be flagged with a TODO, or 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 change is effective and works
• The PR title follows the conventional commit semantics

Breaking change checklist

Is it a breaking change?: NO

• I have documented the migration process
• I have added, implemented necessary warnings (if it can live side by side)

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[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
No data about Coverage
0.0% Duplication on New Code

See analysis details on SonarCloud