function observeRootParent(oWrapperObserver, oWrapper) {
		var oRootElement = getRootParent(oWrapper);
		if (
			!oWrapperObserver.isObserved(oRootElement, {
				parent: true
			})
		) {
			oWrapperObserver.observe(oRootElement, {
				parent: true
			});
		}
	}
Method to be passed to the nested editor wrapper as a callback for the ready event.
Registers the source of the <code>oEvent</code> on the editor as an element to consider
for the ready check.

@param {sap.ui.base.Event} oEvent - Init event of the nested editor