this fixes text_field_view scrolling

text_field_view.js

  _shouldScroll: function () {
    var t = this.$input()[0],
        h = this.get('frame').height,
        sh = t.scrollHeight,
        sTop = t.scrollTop;

    if (sh < h) return false;
    else {
      if (t.scrollTop + h >= sh) {
        return false;
      }
      else if (t.scrollTop !== 0) {
        return true;
      }
    }
    return false;
  },

  /**
    Adds mouse wheel support for textareas.
   */
  mouseWheel: function (evt) {
    if (this.get('isTextArea')) {
      evt.allowDefault();
      return this._shouldScroll();
    } else return false;
  },