Align Help Widget and Cookie control

The alignment of the cookies control and Help widget on Beacon varies dependng on the computer and browser combination used.
Apple devices with Chrome and Android tablets have reported issues with the cookies banner hiding the help widget.

This mock-up allows the Help widget to be moved in the horizontal plane by specifying an offset in pixells and submitting it. Initially this is 50, as set on Beacon as of 4th March 2022. Increasing the number moves the Help widget to the right.