This allows us to have only one single (static) map which will be
treated by GHC as a CAF.

This commit tries to improve the `isSharedWith` SQL function to deal
with arbitrarily deep shared nodes in the hierarchy.

This commit introduces a new DB function called `isSharedWith`
that can be used to check for team/public/private nodes and their
shared resources.

Basically, Gargantext.Prelude exports all of Protolude now.

This fixes commit 5d5300cd which
automatically changed all 'return' to 'pure' in our code, resulting in
broken SQL etc.

Based on the suggestions in
https://kodimensional.dev/space-leak