Cache user locally

[gaspergrom]

Changes proposed ✍️

What

🤖[deprecated] Generated by Copilot at bdbc23e

The pull request enhances the auth module by using local storage to cache and retrieve user data. This improves the speed and reliability of the authentication process and reduces the server load.
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🤖[deprecated] Generated by Copilot at bdbc23e

We are the rebels of the web
We don't need servers to fetch our data
We store it locally in our auth module
We clear it all when we sign out of hell

Why

How

🤖[deprecated] Generated by Copilot at bdbc23e

• Store and retrieve user data in local storage to improve performance and avoid unnecessary requests (link, link)
• Remove automatic signout and mutation on initialization error to prevent user inconvenience (link)
• Clear user data from local storage on signout to prevent data leakage (link)

Checklist ✅

• Label appropriately with Feature, Improvement, or Bug.
• Add screenshots to the PR description for relevant FE changes
• New backend functionality has been unit-tested.
• API documentation has been updated (if necessary) (see docs on API documentation).
• Quality standards are met.