fix: prevent fetch when user is not logged in

[nguernse]

Description

When a user is logged out, it will try to fetch data and throw uncaught authentication errors in the console. This fix will only fetch if a user session exists.

Checklist before requesting a review

Please delete options that are not relevant.

• My code follows the style guidelines of this project
• I have performed a self-review of my code
• I have commented hard-to-understand areas
• I have ideally added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes
• Any dependent changes have been merged

Screenshots (if appropriate):

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[mamadoudicko]

Thanks @nguernse!

Well done