Merchandising components bugfix

Fixes like:
- removed white background from the Advertisement feature 
- fixed mobile breakpoint in the Merchandising: cAPI multiple (advertorial) - right arrow is no longer cut
- added link on the title of the Merchandising: cAPI multiple and single components
- added clickMacro and proper data-link-name on every link in the Merchandising: cAPI multiple and single components
in general, a newline above nested element, e.g.

```
.fc-container__header__title {
    color: colour(neutral-1);

    .fc-container__header__link {
        color: colour(guardian-brand);

        &:hover {
...
```