Fix test set up to user Order api

[eileenmcnaughton]

Note this includes the order api ensuring that the contribution_recur_id is passed through to
any created memberships

Overview

Fix test set up to user Order api

Before

Test uses mishmash set up

After

Test uses api

Technical Details

Comments

[civibot]

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[eileenmcnaughton]

test this please

[eileenmcnaughton]

This now includes #20779 as that has a fix for the situation where memberships have more than one member organization

[eileenmcnaughton]

test this please

[eileenmcnaughton]

@colemanw also this - one line of change + test clean up. The change is so that the order recurring contribution id reaches the membership

[colemanw]

@eileenmcnaughton can you rebase this please?

[eileenmcnaughton]

unrelated fail