title: How to change base.ir.ir_ui_view field definition
body: <p>I want to change definition of field of class View residing in addons/base/ir/ir_ui_view.py.</p>
  
  <p>Found <a href="https://www.codeproject.com/Tips/998870/Odoo-custom-view-module" rel="nofollow noreferrer">solution</a> for odoo 8, but it no longer works. What the approach to do the same operation in odoo 10 (11).</p>
  
  <p>Thanks in advance!</p>