getAppComponentForSelector(oSelector) {
			return oSelector.appComponent || Utils.getAppComponentForControl(oSelector);
		}
Returns the component that belongs to the passed selector whose type is "application".
If the control has no component, it walks up the control tree in order to find a control having one.
This does not work if called with a {@link sap.ui.fl.ComponentSelector}

@param {sap.ui.fl.Selector} oSelector - Selector object
@returns {sap.ui.core.Component} Component instance if found or undefined
@private
@ui5-restricted sap.ui.fl