feat: rework popups & refactor best practices for react query

Related to #31 (closed)

What does this MR do and why?

This MR applies some of the best practises of https://alexkondov.com/full-stack-tao-clean-architecture-react/

It also rework the partnersIssue popups to be more UX. Switching a partners now immediately saves the new state. No need to scroll and click save below the section "custom popup" which could be confusing. This also allow easier state management.

Splits the popups section in two pages :

• custom popup
• partners info

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