Remove full screen handling for now.

Needed to replace EditorField and handle the end of line characters in the same way

Do not use data-gadget-value, as some gadgets may also have sub gadget declarations

The links are only visible in desktop display.
Links are only calculated for non module document in form_view/dialog

On smartphone, display the textarea small and increase its size when focused
This behaviour should not be activated on bigscreen, as it make it unusable (difficult to search text for example)