code: function changeEntireFormValue ({model, nextValue, prevValue}) {
    return {
      value: immutableOnce(recursiveClean(nextValue, model)),
      valueChangeSet: getChangeSet(prevValue, nextValue)
    }
  }
docs: Change value of entire form
  @param {Object} prevValue - previous form value
  @param {Object} nextValue - next form value
  @param {BunsenModel} model - model
  @returns {Object} new state with value and value changeset