safety settings mapper helper function

[e-roy]

Pull Request Template

Description

Reduce repeat code in the API routes

Type of change

This PR adds a safety-settings-mapper.ts file to handle safety settings for the api routes. Code was repeated in both routes.

Checklist:

• My code follows the code style of this project.
• I have performed a self-review of my own code.
• I have commented my code, particularly in 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 fix is effective or that my feature works.
• New and existing unit tests pass locally with my changes.

Related Issue

Link to the issue that will be fixed by this pull request.

Screenshots (if applicable)

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Name	Status	Preview	Updated (UTC)
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