code: func (t *TextView) ScrollToBeginning() *TextView {
  	if !t.scrollable {
  		return t
  	}
  	t.trackEnd = false
  	t.lineOffset = 0
  	t.columnOffset = 0
  	return t
  }
docs: // ScrollToBeginning scrolls to the top left corner of the text if the text view
  // is scrollable.