Context:
In order to determine whether the current system user used to authenticate on the engines rest api lacks any required authorizations we decided to add a check that happens when connecting to an engine.
See https://confluence.camunda.com/pages/resumedraft.action?draftId=85757298&draftShareId=d7d7a839-421d-4ebd-8478-65f33c25e320&

AT:

• Optimize verifies that the user used to authenticate with the engine-rest api has all the required authorizations (warn log or even hard failure if not)