Add option to remove downtimes from the metric time serie

feat: list selectors and list uuids in datascience organization

fix(MLFETCH): drop unnecessary parameters from stack

fix: missing if then statement

feat: New macro to fetch data for ML models

+ add some examples

Repetition

Co-authored-by: Thomas Arnaud <38663853+Nohzoh@users.noreply.github.com>

in nb_points, when expected variables exists and are empty strings,
the macro fails
so we control this failure and return with the default behavior