Each Work has Changes icon.
After click, Changes associated with given Work are shown.
User can delete and add new Changes to Work in this view, but content of added Change is initially empty.
User can click on Change name to display Change detail, here user can delete and update change (here user can also update content which is empty in newly added Changes)
Each Work has Changes icon. After click, Changes associated with given Work are shown. User can delete and add new Changes to Work in this view, but content of added Change is initially empty. User can click on Change name to display Change detail, here user can delete and update change (here user can also update content which is empty in newly added Changes)