For forms that have multiple submit buttons (eg. Save, Save and New) override the submit handler on all of them

Resolve issues with backend forms and tax amounts. Also resolve issues with money formats that don't use a dot as decimal separator.

#124

Fix and record paymentIntents for recurring contributions - show authentication to user on thankyou page

Set pre-approval params for paymentMethodID (used for recurring payments) as well as paymentIntentID

When we don't know the amount, pre-auth the card but don't confirm, then update the amount requested

Allow submission of drupal webform when there are multiple processors on the page (eg. Stripe + Pay later)