claimview widget: Attach to valueview widget's change event

(Depends on change If4631e5e in DataValues extension.)
When an error is triggered, the error state will be reset when changing the valueviews's input
value.

Change-Id: I8a5ab9f28f2c22d079c0c9a462fa68e8cd64a686
Merge "claimview widget: Attach to valueview widget's change event"