Pivot Options are Properly Calculated for Questions based on Models with Joins (#47830)

Fixes 46575

Creating a Pivot Table Question that is based off of a model that has at least one column derived from a join failed
to display row totals.

This is because the pivot-options map was being mis-calculated; not all column indices were correctly found/passed in
to the :pivot-rows or :pivot-cols keys, causing the pivot query not to compute all necessary data.

Here, I just modify the :lib/source key of the columns whose source is a card (as determined by the existence of
:lib/card-id). The columns being checked will all have :source/breakout, which caused, in the issue's repro example,
the "NAME" column to be missed. If it instead has :lib/source :source/card, the logic inside
`lib/find-matching-column` works.