Redesign / Secondary actions design

The report / share / report buttons are currently not so well positioned. Change it to:

<img width="1202" alt="image" src="https://github.com/decidim/decidim/assets/24740/f8982d9b-da0d-4147-929e-c987d437313b">

In Mobile, separate it up to column-gap: 2.5rem

<img width="914" alt="image" src="https://github.com/decidim/decidim/assets/24740/99cdf7c7-5ee1-4ff1-918e-c6b2afacc6b4">
