Save original value as data on the input field
Save original value as data on the input field

This prevents problems with populating fields with the wrong text when
editing twice on the same page.

Sinar/popit,openstate/popit,mysociety/popit,mysociety/popit,mysociety/popit,openstate/popit,Sinar/popit,mysociety/popit,Sinar/popit,mysociety/popit,openstate/popit,Sinar/popit,openstate/popit