I'm learning the Promotion Engine topic and I am faced with the problem of not displaying Available Conditions and Actions in Marketing -> Promotion Rules -> Show Published and Unpublished -> Editor View -> Conditions & Actions tab
On existing promotions I have only JSON in Action and Condition fields:
But I know this tab should look list this(with Available Conditions and Actions to drag&drop them):
What I should do to make them available?
Just in case, my localextension.xml contains this: