Prefix DB field by the table alias, to prevent error when a segment joins another table that has some field names in common #9822

Refs https://github.com/piwik/piwik-log-analytics/issues/115, add user to fake common logs for tests.

Tests show that processing minimum event value  works correctly
Fixed tests in plugins/AnonymousPiwikUsageMeasurement

fixes #9194 fix "goal can be only converted once per visit" is not respected when segmenting goals with a log_link_visit_action segment

fix system tests and fix an error where we did not pass the correct siteId when saving measurable settings

we need tests to have deterministic 'idsubdatatable'