Removed interactionWidgetName option from "addtoolbar" widget

In order to simplify the "addtoolbar" widget and to make the "addtoolbar" widget more modular,
the interactionWidgetName option is removed.

Change-Id: Iad58aa6a80b76d22b575db515c4b0ac274cbed3e
Merge "Removed interactionWidgetName option from "addtoolbar" widget"