[REF] survey: clean survey routes definitions

Purpose of this commit is to ease understanding or routes. In this commit
we make token a parameter where it is optional and force is where it is
not; we remove unnecessary list on routes; we rename some controller methods
to ease understanding;

Code calling those URLs is adapted accordingly. No functional change should
occur with this commit.

Some routes are json-http-mixed as a result of old implementation. Those
will be updated in future tasks when cleaning the templates and routes.

This commit is linked to task ID 1911586 and PR #28986.

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