Elements: Buttons: Fix the path with the css to style the cursor for …

…all button elements (#42129)

* Elements: Buttons: Style the cursor for all button elements

* move to block library

* move to style.scss

* Element styles: Load them in the common.scss file instead of the style.scss file to make them available on the frontend.

* Removing elements.scss from style.scss

Co-authored-by: Ben Dwyer <[email protected]>