The confirmation page contains a lot of whitespace. The page should be restructured to save space and increase the visibility of the call-to-action regarding membership application.
**Acceptance Criteria**
* The changes are implemented as an a/b test. There is no default set.
* The links for printing the confirmation page and writing a comment are moved to the bottom of the left column.
* If the user provided their address data, it is displayed on the right side.
* If the user did not provide their address data, the call-to-action to add it subsequently is displayed in the right column.
* The right column consists of a headline, an explaining text and the (already existing) button and fineprint below it.
**Design**
* [bank transfer without address data](https://www.figma.com/file/hQhnSi6F2Pen0brR2vSb0L/Confirmation-Page-optimization-for-adress-data?node-id=296%3A524)
* [all other payment methods without addresss data](https://www.figma.com/file/hQhnSi6F2Pen0brR2vSb0L/Confirmation-Page-optimization-for-adress-data?node-id=309%3A91)
* [right column after providing address data (subsequently)](https://www.figma.com/file/hQhnSi6F2Pen0brR2vSb0L/Confirmation-Page-optimization-for-adress-data?node-id=296%3A524)
**Differences from the design**
* The label "ohne Adressangabe" is currently displayed when no address data was provided. This should not be displayed.
* When address data was provided,
* the headline of the right column does not display a checkmark icon.
* the headline should be "Sie erhalten Ihre Spendenquittung an folgende Adresse:".
* the label "Spendenquittungen werden an:" is not displayed.
* the address type (Privatperson/Firma) is not displayed.