Fix post sharing link & Remove unused share count & Remove ts-path @config

[Samuel-Therrien-Beslogic]

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Removing canopeum_frontend/src/config/ and moving out apiSchemaGenerator.js caused a chain of necessary changes.
This otherwise just removes an unused feature from the frontend. Comment it out in the backend, and fixes links.

The migration created by this PR is optional (not running it should cause code to still work, just have an unused data being passed around), so I'm not concerned about having to run it on prod before the demo