fix(BOOK-293): changed variants and props on IconButton component
* fix(BOOK-293): changed variants and props on IconButton component
* fix(BOOK-293): inherit color for icon
Approved-by: Bianca Widstam
Approved-by: Christel Westerberg
feat(SW-3636): Storybook structure
* New sections in Storybook sidebar
* Group Storybook content files and add token files for spacing, border radius and shadows
Approved-by: Joakim Jäderberg